2024-03-28T21:01:52Zhttps://nibio.brage.unit.no/nibio-oai/requestoai:nibio.brage.unit.no:11250/30395802022-12-28T04:56:35Zcom_11250_92917col_11250_2402942col_11250_2367607col_11250_2395173
Annual variation in breeding success in boreal forest grouse: Four decades of monitoring reveals bottom-up drivers to be more important than predation
Annual variation in breeding success in boreal forest grouse: Four decades of monitoring reveals bottom-up drivers to be more important than predation
Wegge, Per
Moss, Robert
Rolstad, Jørund
Knowledge of the temporal variation in reproductive success and its key driving factors is crucial in predicting animal population persistence. Few studies have examined the effects of a range of explanatory factors operating simultaneously on the same population over a long period. Based on 41 years of monitoring (1979–2019), we tested prevailing hypotheses about drivers of annual variation in breeding success in two sympatric species of boreal forest grouse—the capercaillie (Tetrao urogallus) and the black grouse (T. tetrix)—in a 45 km2 boreal forest landscape. From counts in early August, we measured breeding success (chicks/hen) along with potential determining factors. We formulated five main hypotheses on causes of variation (hen condition, chick weather, chick food, predation, demographic characteristics) and derived 13 associated explanatory variables for analysis. We first tested the five hypotheses separately and then used model selection (AICc) to rank the best predictive models irrespective of hypotheses. Lastly, we used path analysis to illuminate potential causal relationships. Barring demographic characteristics, all hypotheses were supported, most strongly for chick food and predation. Among predictor variables, chick food (insect larvae and bilberry fruit crops), vole and fox abundances, the winter-NAO index, and temperature after hatching, had the strongest effect sizes in both species. Precipitation after hatching had no detectable effect. Model selection indicated bottom-up factors to be more important than predation, but confounding complicated interpretation. Path analysis suggested that the high explanatory power of bilberry fruiting was due not only to its direct positive effect on chick food quality but also to an indirect positive effect on vole abundance, which buffers predation. The two components of breeding success—proportion of hens with broods and number of chicks per brood—were uncorrelated, the former having the strongest effect. The two components had different ecological correlates that often varied asynchronously, resulting in overall breeding success fluctuating around low to moderate levels. Our study highlights the complexity of key explanatory drivers and the importance of considering multiple hypotheses of breeding success. Although chick food appeared to equal or surpass predation in explaining the annual variation in breeding success, predation may still be the overall limiting factor. Comparative and experimental studies of confounded variables (bilberry fruiting, voles, and larvae) are needed to disentangle causes of variation in breeding success of boreal forest grouse.
publishedVersion
2022-12-27T14:26:22Z
2022-12-27T14:26:22Z
2022-11-19T14:23:40Z
2022-10-09
Peer reviewed
Journal article
Ecology and Evolution. 2022, 12 (10), .
urn:issn:2045-7758
https://hdl.handle.net/11250/3039580
https://doi.org/10.1002/ece3.9327
cristin:2076738
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2022 The Authors
application/pdf
John Wiley & Sons Ltd.
21
12
Ecology and Evolution
10
e9327
oai:nibio.brage.unit.no:11250/29851522022-03-16T04:55:05Zcom_11250_92917col_11250_2503541col_11250_2367607
Byggsorter og soppbekjempelse
Grieu, Chloé
publishedVersion
2022-03-15T07:39:13Z
2022-03-15T07:39:13Z
2021-11-04T13:55:11Z
2021
Chapter
urn:isbn:978-82-17-02735-5
urn:issn:2464-1189
https://hdl.handle.net/11250/2985152
cristin:1951452
nob
Jord- og plantekultur 2021 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2020
NIBIO Bok;7(1)2021
application/pdf
NIBIO
82-87
oai:nibio.brage.unit.no:11250/27256582021-02-02T04:53:56Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Learning science during teatime: Using a citizen science approach to collect data on litter decomposition in Sweden and Austria
Sandén, Taru
Spiegel, Heide
Wenng, Hannah Tabea
Schwarz, Michael
Sarneel, Judith M.
The decay of organic material—litter decomposition—is a critical process for life on Earth and an essential part of the global carbon cycle. Yet, this basic process remains unknown to many citizens. The Tea Bag Index (TBI) measures decomposition in a standardized, measurable, achievable, climate-relevant, and time-relevant way by burying commercial tea bags in soil for three months and calculating proxies to characterize the decomposition process (expressed as decomposition rate (k) and stabilization factor (S)). We measured TBI at 8 cm soil depth with the help of school and farm citizen scientists in 2015 in Sweden and in 2016 in Austria. Questionnaires to the participating schools and farms enabled us to capture lessons learned from this participatory data collection. In total >5500 citizen scientists participated in the mass experiments, and approximately 50% of the tea bags sent out yielded successful results that fell well within previously reported ranges. The average decomposition rates (k) ranged from 0.008 to 0.012 g d−1 in Sweden and from 0.012 to 0.015 g d−1 in Austria. Stabilization factors (S) were up to four times higher in Sweden than Austria. Taking part in a global experiment was a great incentive for participants, and in future experiments the citizen scientists and TBI would benefit from having enhanced communication between the researchers and participants about the results gained.
publishedVersion
2021-02-01T15:18:41Z
2021-02-01T15:18:41Z
2020-10-09T18:23:13Z
2020-09-18
Peer reviewed
Journal article
Sustainability. 2020, 12 (18), 1-14.
urn:issn:2071-1050
https://hdl.handle.net/11250/2725658
https://doi.org/10.3390/su12187745
cristin:1838567
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2020 by the authors
application/pdf
1-14
12
Sustainability
18
7745
oai:nibio.brage.unit.no:11250/30350102022-12-01T04:55:41Zcom_11250_92917col_11250_2402941col_11250_286116col_11250_2367607
Klimatilpasning av grovfôrproduksjon i Nord-Norge
Dalmannsdottir, Sigridur
Svendgård-Stokke, Siri
Nordskog, Berit
Linnestad, Brita
grovfôrproduksjon
planleggingsverktøy
varsling
Nord-Norge
jordsmonn
dyrkingsstrategi
planteproduksjon
klimaendringer
VDP::Landbruks- og Fiskerifag: 900
Klimaendringer kan endre vekstsesongens lengde, nedbørforhold med både våte og tørre perioder og overvintringsforholdene. Dette vil kunne påvirke potensialet i planteproduksjonen. Dette faktaarket omhandler strategier for klimatilpasning av grovfôrdyrking i Nord-Norge der grovfôrbasert husdyrhold er den viktigste driftsformen i landbruket.
publishedVersion
2022-11-30T11:25:19Z
2022-11-30T11:25:19Z
2022-11-30T10:24:21Z
2022-11
Journal article
NIBIO POP. 2022, 8 (29)
urn:isbn:978-82-17-03170-3
urn:issn:2464-1170
https://hdl.handle.net/11250/3035010
cristin:2085177
nob
application/pdf
Northern Norway
12
8
NIBIO POP
29
oai:nibio.brage.unit.no:11250/27615402021-07-06T03:57:42Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Egenskaper til konstruksjonsvirke av furu fra Troms og Finnmark
Nordhagen, Eirik
Høibø, Ola A.
Vestøl, Geir Isak
Troms
Troms Northern Norway
Finnmark
Furu
Konstruksjonsvirke
VDP::Skogbruk: 915
VDP::Forestry: 915
Hovedmålet i dette prosjektet har vært å undersøke egenskapene til konstruksjonsvirke av furu fra Troms og Finnmark. Tidligere undersøkelser av furu fra dette området har blitt gjennomført på små, feilfrie prøver, og det er behov for å dokumentere egenskaper til trelast i bruksdimensjoner for å vurdere om kravene til konstruksjonsvirke oppfylles. Materialet ble samlet inn fra tre bestand i Pasvik, ett i Karasjok, to i Alta og fire i Bardufoss. Fra hvert bestand ble det ble tatt ut 12 trær, som ga totalt 650 planker. Trelasten ble visuelt styrkesortert etter NS-INSTA 142, og densitet, E-modul og bøyefasthet ble testet i henhold til NS-EN 408. Gjennomsnittlig bøyefasthet (40,5 N/mm2) var noe lavere enn det som er funnet for furu lenger sør i Norden. Det samme gjelder gjennomsnittlig E-modul (10,3 kN/mm2) og gjennomsnittlig densitet (448 kg/m3)...
publishedVersion
2021-06-28T09:18:53Z
2021-06-28T09:18:53Z
2021-06-26T08:02:36Z
2021-06
Research report
urn:isbn:978-82-17-02889-5
https://hdl.handle.net/11250/2761540
cristin:1918670
nob
NIBIO Rapport
NIBIO-rapport;7(134) 2021
NIBIO - Norsk institutt for bioøkonomi: 51320
application/pdf
NIBIO
32
7
134
oai:nibio.brage.unit.no:11250/27337242021-03-17T04:53:51Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2458518
Vekst og produksjon i bestand med sitkagran (Picea sitchensis (Bong.) Carr.) i Norge
Øyen, Bernt-Håvard
Sitkagran
tilvekstmodell
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2021-03-16T14:25:27Z
2021-03-16T14:25:27Z
2005
Research report
urn:issn:0803-2858
https://hdl.handle.net/11250/2733724
nob
Rapport fra skogforskningen;4/05
application/pdf
Norsk institutt for skogforskning
46
oai:nibio.brage.unit.no:11250/28231242021-10-15T03:54:56Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Pesticide Policies and Farm Behavior: The Introduction of Regulations for Integrated Pest Management
Kvakkestad, Valborg
Steiro, Åsmund Lægreid
Vatn, Arild
Integrated pest management (IPM) was introduced in the 1960s as a response to increasing pesticide use and has since evolved from being understood mainly as an economic issue to also including environmental and human health considerations. The EU has made IPM mandatory for all farmers through the Sustainable Use of Pesticides Directive (SUD). Using a mixed-methods approach, this paper examines how Norwegian cereal farmers have responded to this requirement. The qualitative results show that most farmers have an understanding of IPM that goes beyond economic considerations only. The quantitative results display that farmers’ intrinsic motivation for IPM changed after introduction of the SUD. There is increased emphasis on using methods other than spraying, producing grain without traces of pesticides, and preventing pesticide resistance. Farmers’ self-reported knowledge of IPM increased, and 41% of farmers stated that they use IPM to a greater extent than before the SUD was introduced. These results demonstrate that mandatory IPM requirements have been a successful strategy for increasing farmers use of IPM in Norway. Clearer IPM provisions and increased intrinsic motivation for IPM among farmers will, however, be important to reduce the risks from pesticides further.
publishedVersion
2021-10-14T14:43:14Z
2021-10-14T14:43:14Z
2021-09-17T09:11:00Z
2021-08-30
Peer reviewed
Journal article
Agriculture. 2021, 11 (9), .
urn:issn:2077-0472
https://hdl.handle.net/11250/2823124
https://doi.org/10.3390/agriculture11090828
cristin:1935197
eng
Norges forskningsråd: 221394
Norges forskningsråd: 244526
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
17
11
Agriculture
9
828
oai:nibio.brage.unit.no:11250/26593252020-06-25T03:55:41Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2458517
Foryngelse hos lind Tilia cordata i Sør-Norge
Mong, Christian E.
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2020-06-24T12:17:15Z
2020-06-24T12:17:15Z
2005
Research report
urn:isbn:82-8083-068-5
urn:issn:0803-284X
https://hdl.handle.net/11250/2659325
nob
Aktuelt fra Skogforskningen;4/05
application/pdf
Norway
Norsk institutt for skogforskning
17
Aktuelt fra Skogforskningen
4/05
oai:nibio.brage.unit.no:11250/30619302023-04-05T03:56:06Zcom_11250_92917col_11250_2402940col_11250_286117col_11250_2503541col_11250_2367607
Bruk av etylen til kontroll av spiring i potet
Bruk av etylen til kontroll av spiring i potet
Molteberg, Eldrid Lein
publishedVersion
2023-04-04T06:55:04Z
2023-04-04T06:55:04Z
2023-03-29T15:16:40Z
2023
Others
https://hdl.handle.net/11250/3061930
cristin:2138230
nob
Jord- og Plantekultur 2023 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2022
application/pdf
329-335
oai:nibio.brage.unit.no:11250/26539242020-05-12T03:54:09Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
E16 Bjørum - Skaret. Forundersøkelser i vassdrag som kan påvirkes av anleggsaktivitet. Årsrapport 2019.
Skrutvold, Johanna
Roseth, Roger
Aasestad, Ingar
Våge, Kristine
Skautvedt, Elisabeth
Vannkvalitet
Water quality
Forundersøkelser
VDP::Andre landbruksfag: 919
VDP::Other agricultural sciences: 919
Etter oppdrag fra Statens Vegvesen har NIBIO gjennomført forundersøkelser i vannforekomster som kan bli påvirket av anleggsaktivitet i forbindelse med utbygging av ny E16 på strekningen Bjørum - Skaret i Bærum og Hole kommune. I 2019 ble det tatt kvartalsvise vannprøver i Isielva og Rustanbekken i Sandviksvassdraget, samt i Nordlandsbekken, Damtjernbekken og Vefsrudbekken som drenerer til Holsfjorden. Det ble samlet inn prøver av bunndyr og begroingsalger i alle bekkene, samt utført fiskeundersøkelser....
publishedVersion
2020-05-11T12:41:29Z
2020-05-11T12:41:29Z
2020-05-11T11:01:39Z
2020-05
Research report
urn:isbn:978-82-17-02551-1
urn:issn:2464-1162
https://hdl.handle.net/11250/2653924
cristin:1810221
nob
NIBIO Rapport
NIBIO Rapport;6(48) 2020
NIBIO - Norsk institutt for bioøkonomi: 10625-18
application/pdf
NIBIO
86
6
48
oai:nibio.brage.unit.no:11250/26417372020-02-15T04:51:09Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Rv. 4 Roa-Gran grense – Forundersøkelser av vannkvalitet i vassdrag som kan påvirkes av anleggsaktivitet
Skrutvold, Johanna
Roseth, Roger
Samferdsel
Transport and communication
Vannkvalitet
Water quality
VDP::Naturressursforvaltning: 914
VDP::Natural resource management: 914
I forbindelse med bygging av ny Rv.4 på strekningen Roa-Gran har NIBIO på oppdrag fra Statens Vegvesen gjennomført forundersøkelser i vassdrag som kan påvirkes av anleggsaktivitet. Det har blitt tatt kvartalsvise vannprøver ved til sammen 7 prøvepunkter i 5 bekker. Tilstanden i vassdragene vurderes som dårlig og moderat med hensyn på næringsstoffer. Det var derimot lave konsentrasjoner av metaller, olje og PAH, alle disse parametrene var innenfor tilstandsklasse «god».
publishedVersion
2020-02-14T11:36:09Z
2020-02-14T11:36:09Z
2020-02-13T13:44:42Z
2020-02
Research report
urn:isbn:978-82-17-02513-9
http://hdl.handle.net/11250/2641737
cristin:1793866
nob
NIBIO Rapport
NIBIO Rapport;6(14) 2020
NIBIO - Norsk institutt for bioøkonomi: 10625-20
application/pdf
NIBIO
24
6
14
oai:nibio.brage.unit.no:11250/29786192022-02-15T04:54:15Zcom_11250_92917com_11250_2649622com_11250_2434444col_11250_2367607col_11250_2436806
Skogreisingen på kysten – et streiftog gjennom historien
Øyen, Bernt-Håvard
VDP::Skogbruk: 915
VDP::Forestry: 915
publishedVersion
2022-02-14T08:32:52Z
2022-02-14T08:32:52Z
2018-02-08T12:32:10Z
2008
Others
urn:isbn:978-82-311-0035-5
https://hdl.handle.net/11250/2978619
cristin:1563186
nob
Kystskogbruket. Potensial og utfordringer de kommende tiårene
application/pdf
69-80
oai:nibio.brage.unit.no:11250/29812072022-02-25T04:54:37Zcom_11250_92917col_11250_286116col_11250_2367607
Fôring av reinsdyr – og fôringsrelaterte sykdommer
Eilertsen, Svein Morten
Winje, Erlend
Davidson, Rebecca K.
Mørk, Torill
Nymo, Ingebjørg H.
Mange reinbeitedistrikt og siidaandeler har praktisert fôring av rein i mange år. Denne fôringsveilederen er utarbeidet med bakgrunn i denne erfaringsbaserte
kunnskapen supplert med forskningsbasert kunnskap om reinens fordøyelse og evne til å utnytte ulike typer fôr.
publishedVersion
2022-02-24T11:54:31Z
2022-02-24T11:54:31Z
2022-02-24T08:05:39Z
2022
Journal article
NIBIO POP. 2022, 8 (4), .
urn:issn:2464-1170
https://hdl.handle.net/11250/2981207
cristin:2005019
nob
application/pdf
12
8
NIBIO POP
4
oai:nibio.brage.unit.no:11250/30938482023-10-04T03:56:34Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Overvåking av vannmiljø – utbygging av Flateland kraftverk - Rapportering for 2. kvartal 2023
Overvåking av vannmiljø – utbygging av Flateland kraftverk - Rapportering for 2. kvartal 2023
Rognan, Yvonne
På vegne av Tinfos AS har NIBIO gjennomført overvåking av vannkvalitet i Hovlandsåna i forbindelse med etableringen av nye Flateland kraftverk i Vegusdal. I 2. kvartal 2023 (Q2) har Fv42 ved Myklebostad dam blitt tilbakeført til opprinnelig trasé og arbeidene er i stor grad ferdigstilt. Det var gjennomslag i overføringstunnel mellom Kjetevatn og Flateland 18.05.2023 og arbeidene ved Flateland har vært tilknyttet ferdigstilling av tunnel, kraftverk og utløpskanal. I april var det svært høy vannføring i Hovlandsåna og det var ikke mulig å sette ut loggerne før 04.05.2023. Vannføringen i Hovlandsåna har blitt svært redusert i løpet av juni og det har tidvis vært utfordrende å vurdere årsaken til forhøyede turbiditetsverdier registrert av loggeren nedstrøms aktivitetsområdet. I siste halvdel av juli har det vært mye nedbør og vannføringen har økt. Det har blitt tatt månedlige prøver ved alle tre stasjonene etter utsetting av loggere for å få en mer helhetlig oversikt over vannkvaliteten i elva. Resultater fra referansestasjonen viser at bakgrunnsverdiene for nitrogen jevnt over er lave, mens pH og fosfor har hatt noe større variasjon. Stasjonene videre nedstrøms mottar avrenning fra anleggsområder og har hatt høyere maksimalkonsentrasjoner av partikler, totalnitrogen og totalfosfor.
Overvåking av vannmiljø – utbygging av Flateland kraftverk - Rapportering for 2. kvartal 2023
publishedVersion
2023-10-03T13:39:38Z
2023-10-03T13:39:38Z
2023-10-03T14:43:56Z
2023
Research report
urn:isbn:978-82-17-03355-4
https://hdl.handle.net/11250/3093848
cristin:2181380
nob
NIBIO Rapport
NIBIO Rapport
application/pdf
NIBIO
36
9
117
oai:nibio.brage.unit.no:11250/29796762022-02-18T04:54:35Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2560277
Kubering av staaende skog : II. Granskog
Eide, Erling
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2022-02-17T11:59:04Z
2022-02-17T11:59:04Z
1923
Report
https://hdl.handle.net/11250/2979676
nob
Meddelelser fra Det norske skogforsøksvæsen;1(4)
application/pdf
Det norske skogforsøksvæsen
15-80
oai:nibio.brage.unit.no:11250/30651972023-04-28T03:56:37Zcom_11250_92917com_11250_2445820col_11250_286115col_11250_2367607col_11250_2445830
Årsrapport 2022
Årsrapport 2022
Hesjedal, Randi
publishedVersion
2023-04-27T06:52:04Z
2023-04-27T06:52:04Z
2023-04-21T07:49:35Z
2023
Research report
https://hdl.handle.net/11250/3065197
cristin:2142345
nob
application/pdf
NIBIO Ås
148
oai:nibio.brage.unit.no:11250/26883712020-11-19T04:54:40Zcom_11250_92917col_11250_2402942col_11250_2367607col_11250_2395173
Large-scale genomic sequence data resolve the deepest divergences in the legume phylogeny and support a near-simultaneous evolutionary origin of all six subfamilies
Koenen, Erik J. M.
Alayon, Dario Isidro Ojeda
Steeves, Royce
Migliore, Jérémy
Bakker, Freek T.
Wieringa, Jan J.
Kidner, Catherine
Hardy, Olivier J.
Pennington, R. Toby
Bruneau, Anne
Hughes, Colin E.
Phylogenomics is increasingly used to infer deep‐branching relationships while revealing the complexity of evolutionary processes such as incomplete lineage sorting, hybridization/introgression and polyploidization. We investigate the deep‐branching relationships among subfamilies of the Leguminosae (or Fabaceae), the third largest angiosperm family. Despite their ecological and economic importance, a robust phylogenetic framework for legumes based on genome‐scale sequence data is lacking. We generated alignments of 72 chloroplast genes and 7621 homologous nuclear‐encoded proteins, for 157 and 76 taxa, respectively. We analysed these with maximum likelihood, Bayesian inference, and a multispecies coalescent summary method, and evaluated support for alternative topologies across gene trees. We resolve the deepest divergences in the legume phylogeny despite lack of phylogenetic signal across all chloroplast genes and the majority of nuclear genes. Strongly supported conflict in the remainder of nuclear genes is suggestive of incomplete lineage sorting. All six subfamilies originated nearly simultaneously, suggesting that the prevailing view of some subfamilies as ‘basal’ or ‘early‐diverging’ with respect to others should be abandoned, which has important implications for understanding the evolution of legume diversity and traits. Our study highlights the limits of phylogenetic resolution in relation to rapid successive speciation.
publishedVersion
2020-11-18T08:41:12Z
2020-11-18T08:41:12Z
2020-09-21T13:39:17Z
2019-10-30
Peer reviewed
Journal article
New Phytologist. 2020, 225 (3), 1355-1369.
urn:issn:0028-646X
https://hdl.handle.net/11250/2688371
https://doi.org/10.1111/nph.16290
cristin:1831680
eng
Navngivelse-Ikkekommersiell 4.0 Internasjonal
http://creativecommons.org/licenses/by-nc/4.0/deed.no
© 2019 The Authors.
application/pdf
New Phytologist Trust
1355-1369
225
New Phytologist
3
oai:nibio.brage.unit.no:11250/29885892022-03-31T03:54:53Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2560277
Undersøkelser over ospetømmer
Børset, Ola
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2022-03-30T11:49:29Z
2022-03-30T11:49:29Z
1952
Research report
https://hdl.handle.net/11250/2988589
nob
Meddelelser fra Det norske skogforsøksvesen;39 (11-2) 1952
application/pdf
Det norske skogforsøksvesen
355-423
oai:nibio.brage.unit.no:11250/29804172022-02-22T04:54:50Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Suppression of an invasive native plant species by designed grassland communities
Möhrle, Kathrin
Reyes-Aldana, Hugo E.
Kollmann, Johannes
Teixeira, Leonardo H.
Grassland biodiversity is declining due to climatic change, land-use intensification, and establishment of invasive plant species. Excluding or suppressing invasive species is a challenge for grassland management. An example is Jacobaea aquatica, an invasive native plant in wet grasslands of Central Europe, that is causing problems to farmers by being poisonous, overabundant, and fast spreading. This study aimed at testing designed grassland communities in a greenhouse experiment, to determine key drivers of initial J. aquatica suppression, thus dismissing the use of pesticides. We used two base communities (mesic and wet grasslands) with three plant traits (plant height, leaf area, seed mass), that were constrained and diversified based on the invader traits. Native biomass, community-weighted mean trait values, and phylogenetic diversity (PD) were used as explanatory variables to understand variation in invasive biomass. The diversified traits leaf area and seed mass, PD, and native biomass significantly affected the invader. High native biomass permanently suppressed the invader, while functional traits needed time to develop effects; PD effects were significant at the beginning of the experiment but disappeared over time. Due to complexity and temporal effects, community weighted mean traits proved to be moderately successful for increasing invasion resistance of designed grassland communities.
publishedVersion
2022-02-21T09:53:50Z
2022-02-21T09:53:50Z
2022-02-03T18:48:31Z
2021-04-15
Peer reviewed
Journal article
Plants. 2021, 10 (4), .
urn:issn:2223-7747
https://hdl.handle.net/11250/2980417
https://doi.org/10.3390/plants10040775
cristin:1997588
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
14
10
Plants
4
775
oai:nibio.brage.unit.no:11250/27891012021-10-12T03:54:21Zcom_11250_92917col_11250_2402938col_11250_2402940col_11250_2367607col_11250_2395173
A process-based model to forecast risk of potato late blight in Norway (The Nærstad model): model development, sensitivity analysis and Bayesian calibration
Hjelkrem, Anne-Grete Roer
Le, Vinh Hong
Hermansen, Arne
Nærstad, Ragnhild
Late blight caused by Phytophthora infestans is a serious, worldwide disease on potato (Solanum tuberosum). Phytophthora infestans normally reproduces in a clonal manner, but in some areas, as the Nordic Countries, sexual reproduction has become the major determinant of the population structure. To improve the late blight forecasting in Norway, the process-based Nærstad model was developed. The model includes the structure of the underlying processes in the disease development, including spore production, spore release, spore survival and infection of P. infestans. It needs hourly weather records of air temperature, precipitation, relative humidity, leaf wetness and global radiation. The model contained 19 uncertain parameters, and from a sensitivity analysis, 12 were detected as weakly sensitive to model outputs and fixed to a nominal value within their prior boundaries. The remaining seven parameters were detected as more sensitive to model outputs and were parameterized using maximum a'posteriori (MAP) estimates, calculated through Bayesian calibration. The model was developed based on literature combined with field data of daily observed number of lesions on trap plants of the Bintje cultivar (late blight susceptible) at Ås during the seasons 2006-2008 and 2010-2011. It was further tested on daily observed number of lesions on trap plants of the cultivars Bintje, Saturna (medium susceptible) and Peik (medium resistant) at Ås during the seasons 2012-2015. For all three cultivars, the Nærstad model improved with a higher model accuracy compared to the existing HOSPO-model and the Førsund rules that both have shown relatively good correlation with blight development in field evaluations in Norway. The best accuracy was found for Bintje (0.83) closely followed by Saturna (0.79), whereas a much lower accuracy was detected for Peik (0.66).
publishedVersion
2021-10-11T18:43:44Z
2021-10-11T18:43:44Z
2021-07-14T21:21:02Z
2021-04-23
Peer reviewed
Journal article
Hjelkrem, A.-G. R., Eikemo, H., Le, V. H., Hermansen, A., & Nærstad, R. (2021). A process-based model to forecast risk of potato late blight in Norway (The Nærstad model): model development, sensitivity analysis and Bayesian calibration. Ecological Modelling, 450, 10.
urn:issn:0304-3800
https://hdl.handle.net/11250/2789101
https://doi.org/10.1016/j.ecolmodel.2021.109565
cristin:1921791
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 The Author(s)
application/pdf
Elsevier B.V.
450
Ecological Modelling
109565
oai:nibio.brage.unit.no:11250/28283222021-11-11T07:42:59Zcom_11250_92917col_11250_286115
Granbarkbillen Registrering av bestandsstørrelsene i 2021
Økland, Bjørn
Krokene, Paal
Beachell, Andreas Myki
granbarkbiller
feromonfeller
overvåking
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
Nivået av granbarkbiller er økende for alle fylker i 2021, med unntak av Vest-Agder. Vestfold øker mest og har i år over 20 000 biller per felle i snitt, men billenivået er bare 69 % av nivået ved slutten av utbruddet på 1970-tallet og 75 % av nivået i 1994. Vestfold er også det området som har mest tørke- og barkbilleskader i år. Dette kan skyldes at mye tørkesvak mark har gitt ekstra mye svekkede grantrær etter tørkesommeren 2018. Videre kan en varm sommer ha gitt grunnlag for to angrepsperioder for barkbillene i stedet for en. Billenivået i øvrige fylker varierer fra 30 til 51 % av utbruddsnivået ved slutten av 1970-tallet. Det er noen skaderapporter fra kommuner i den boreonemorale sonen rundt Oslofjorden utenom Vestfold, men det er ofte uklart om skadene skyldes tørke eller barkbilleangrep. De boreale skogene i indre deler av Østlandet og i Trøndelag og Nordland har lite eller ingen tørke- og barkbilleskader i år. Videre utvikling av barkbillepopulasjoner og skader i 2022 er usikker, fordi vi ikke vet hvor mye skog som fortsatt er svekket etter tørkesommeren 2018 og som derfor kan angripes av granbarkbillen.
publishedVersion
2021-11-08T10:19:00Z
2021-11-08T10:19:00Z
2021-11
Research report
urn:isbn:978-82-17-02942-7
urn:issn:2464-1162
https://hdl.handle.net/11250/2828322
nob
NIBIO Rapport;7(173) 2021
application/pdf
NIBIO
36
NIBIO Rapport
oai:nibio.brage.unit.no:11250/30614102023-04-01T03:56:16Zcom_11250_92917col_11250_2402940col_11250_286117col_11250_2503541col_11250_2367607
Verdiprøving i bygg, havre, vår- og høsthvete 2020-2022
Verdiprøving i bygg, havre, vår- og høsthvete 2020-2022
Thorkildsen, Maria
Abrahamsen, Unni
Lundby, Anne Marthe
publishedVersion
2023-03-31T11:01:13Z
2023-03-31T11:01:13Z
2023-03-28T14:17:46Z
2023
Others
https://hdl.handle.net/11250/3061410
cristin:2137627
nob
Jord- og Plantekultur 2023 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2022
application/pdf
oai:nibio.brage.unit.no:11250/28241482021-10-21T03:54:53Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2499516
Biologisk mangfold og gårdskart - Veileder for kartlegging av kulturlandskapstyper- og elementer som er viktige for det biologiske mangfoldet
Bratli, Harald
biologisk mangfold
kulturlandskap
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Andre landbruksfag: 919
publishedVersion
2021-10-20T12:22:42Z
2021-10-20T12:22:42Z
1998
Research report
urn:isbn:82-7464-149-3
urn:issn:1503-3066
https://hdl.handle.net/11250/2824148
nob
NIJOS Rapport;18/98
application/pdf
Norsk institutt for jord- og skogkartlegging NIJOS
18
oai:nibio.brage.unit.no:11250/27322972021-03-10T04:54:31Zcom_11250_92917col_11250_2503541col_11250_2367607
Sortsforsøk i vårraps og vårrybs
Abrahamsen, Unni
publishedVersion
2021-03-09T09:08:04Z
2021-03-09T09:08:04Z
2021-01-19T13:22:30Z
2020
Chapter
urn:isbn:978-82-17-02481-1
urn:issn:2464-1189
https://hdl.handle.net/11250/2732297
cristin:1874363
nob
Jord- og plantekultur 2020 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2019
NIBIO Bok;6 (1) 2020
application/pdf
NIBIO
138-141
oai:nibio.brage.unit.no:11250/26478032020-03-21T04:53:33Zcom_11250_92917col_11250_2402942col_11250_2367607col_11250_2395173
European mushroom assemblages are darker in cold climates
Krah, Franz-Sebastian
Büntgen, Ulf
Schaefer, Hanno
Müller, Jörg
Andrew, Carrie
Boddy, Lynne
Diez, Jeffrey
Egli, Simon
Freckleton, Robert
Gange, Alan C.
Halvorsen, Rune
Heegaard, Einar
Heideroth, Antje
Heibl, Christoph
Heilmann-Clausen, Jacob
Høiland, Klaus
Kar, Ritwika
Kauserud, Håvard
Kirk, Paul M.
Kuyper, Thomas W.
Krisai-Greilhuber, Irmgard
Nordén, Jenni
Papastefanou, Phillip
Senn-Irlet, Beatrice
Bässler, Claus
perman
VDP::Zoologiske og botaniske fag: 480
VDP::Zoology and botany: 480
Thermal melanism theory states that dark-colored ectotherm organisms are at an advantage at low temperature due to increased warming. This theory is generally supported for ectotherm animals, however, the function of colors in the fungal kingdom is largely unknown. Here, we test whether the color lightness of mushroom assemblages is related to climate using a dataset of 3.2 million observations of 3,054 species across Europe. Consistent with the thermal melanism theory, mushroom assemblages are significantly darker in areas with cold climates. We further show differences in color phenotype between fungal lifestyles and a lifestyle differentiated response to seasonality. These results indicate a more complex ecological role of mushroom colors and suggest functions beyond thermal adaption. Because fungi play a crucial role in terrestrial carbon and nutrient cycles, understanding the links between the thermal environment, functional coloration and species’ geographical distributions will be critical in predicting ecosystem responses to global warming.
publishedVersion
2020-03-20T11:21:01Z
2020-03-20T11:21:01Z
2019-07-01T09:41:43Z
2019-10-10
Peer reviewed
Journal article
Nature Communications. 2019, 10:2890 1-11.
urn:issn:2041-1723
https://hdl.handle.net/11250/2647803
https://doi.org/10.1038/s41467-019-10767-z
cristin:1708940
eng
http://hdl.handle.net/11250/2603029
Andre: SWISS NATIONAL SCIENCE FOUNDATION
Andre: Swiss National Science Foundation
Norges forskningsråd: 225043
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s) 2019
application/pdf
1-11
10:2890
Nature Communications
oai:nibio.brage.unit.no:11250/24596862023-03-03T16:44:42Zcom_11250_92917col_11250_2402939col_11250_286115col_11250_2367607
Arealrepresentativ kartlegging og overvåking av naturtyper (NiN) Framlegg til metode og arbeidsopplegg
Strand, Geir-Harald
Bryn, Anders
Framstad, Erik
Rapporten foreslår og drøfter metode for en nasjonal arealrepresentativ overvåking av naturtyper basert på klassifikasjonssystemet Natur i Norge (NiN). Aspekter som omhandles er: Kunnskapsbehov ved kartlegging og overvåking; Utvalgsmetoder; Registreringsmetode; Opplæringsbehov; samt Prosedyrer og dataflyt. Rapporten inneholder et framlegg til en samlet metodikk og beskrivelse av et pilotprosjekt for uttesting, samt skisse til et program for løpende overvåking.
publishedVersion
2017-10-11T12:20:24Z
2017-10-11T12:20:24Z
2016-08-01T10:48:57Z
2016
Research report
urn:isbn:978-82-17-01624-3
urn:issn:2464-1162
http://hdl.handle.net/11250/2459686
cristin:1369841
nob
NIBIO Rapport
NIBIO Rapport;2(55) 2016
application/pdf
NIBIO
43
2
55
oai:nibio.brage.unit.no:11250/27205332020-12-22T04:53:54Zcom_11250_92917col_11250_286115col_11250_2367607
Feltrapport fra JOVA-programmet for Skuterudfeltet 2016
Deelstra, Johannes
VDP::Naturressursforvaltning: 914
VDP::Natural resource management: 914
Skuterudfeltet er dominert av korndyrking. I 2016/2017 var årstemperaturen (6,9 °C), litt høyere enn gjennomsnittet for overvåkingsperioden (6,3 °C) mens årsnedbøren (728 mm) var betydelig mindre enn gjennomsnittet (921 mm). Årsavrenningen var på 288 mm som er betydelig lavere enn gjen-nomsnittet for overvåkingsperioden (563 mm). På grunn av tilført avløps-slam var nitrogen- og fosforgjødslingen betydelig høyere enn gjennomsnittet for overvåkingsperioden. 11 % av jordbruksarealet lå i stubb gjennom vinteren, noe som var mindre enn fjoråret. 58 % av jordbruksarealet lå som harvet gjennom vinteren, noe som var betydelig mer enn gjennomsnittet for overvåkingsperioden (17 %). Tap av SS, TP og TN var mindre enn gjennom-snittet for overvåkingsperioden. Hovedårsaken til det lave tapet har vært den lave avrenningen. I 2016/2017 ble det påvist plantevernmidler i alle de 15 analyserte vannprøvene. Det ble til sammen gjort 52 funn av 16 ulike midler. Det ble påvist mellom 1 og 11 ulike midler i én enkelt prøve. Det ble analysert for glyfosat fra august til april og midlet ble påvist gjennom hele denne perioden, men i konsentrasjoner som antas ikke å ha noen negativ effekt i vannmiljø (<MF-verdien). Ugrasmidlet prosulfokarb, som er tillatt brukt i høstkorn, ble påvist i åtte av ni prøver i perioden september til mars, hvorav ett funn var over MF-verdien.
publishedVersion
2020-12-21T09:59:22Z
2020-12-21T09:59:22Z
2020-12-18T12:54:10Z
2018
Chapter
urn:isbn:978-82-17-02155-1
https://hdl.handle.net/11250/2720533
cristin:1861574
nob
Jord- og vannovervåking i landbruket (JOVA). Feltrapporter fra programmet i 2016
application/pdf
oai:nibio.brage.unit.no:11250/26776452020-09-15T03:55:08Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2458518
Epifyttiske lav i Mosjøen-området og luftforurensning
Øyen, Bernt-Håvard
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2020-09-14T11:06:07Z
2020-09-14T11:06:07Z
1994
Research report
urn:isbn:82-7169-643-2
urn:issn:0803-2858
https://hdl.handle.net/11250/2677645
nob
Rapport fra Skogforsk;1/94
application/pdf
Norsk institutt for skogforskning
oai:nibio.brage.unit.no:11250/24830612022-03-03T16:24:23Zcom_11250_2649620com_11250_2434444com_11250_92917col_11250_2434446
Agurkgrønnmosaikkvirus - en kort risikoanalyse
Blystad, Dag-Ragnar
Agurkgrønnmosaikkvirus
Risikoanalyse
Agurk
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Planteforedling, hagebruk, plantevern, plantepatologi: 911
2018-02-06T16:26:33Z
2018-02-06T16:26:33Z
2007-02-28
Research report
urn:isbn:978-82-17-00192-8
http://hdl.handle.net/11250/2483061
cristin:1551844
nob
Bioforsk rapport;2(37) 2007
Bioforsk: 1110166
application/pdf
Norge, Akershus, Ås
Bioforsk
16
2
37
oai:nibio.brage.unit.no:11250/26731202020-08-21T03:57:50Zcom_11250_92917com_11250_2649622com_11250_2434444col_11250_2367607col_11250_2435467
Effect of kerfing on crack formation in Scots pine log house timber
Flæte, Per Otto
Larnøy, Erik
In Norway log buildings are normally produced from logs canted on two sides. The canted faces are prone to crack formation during drying. This can cause some disadvantages, e.g. the cracks can trap water from rainfall, because the canted faces form the wall surfaces in the log buildings.
publishedVersion
2020-08-20T08:09:41Z
2020-08-20T08:09:41Z
2017-10-17T15:27:22Z
2011
Chapter
urn:isbn:9788231101390
https://hdl.handle.net/11250/2673120
cristin:1505289
eng
Proceedings of the 7th meeting of the NORDIC-BALTIC NETWORK IN WOOD MATERIAL SCIENCE & ENGINEERING (WSE)
application/pdf
202-207
oai:nibio.brage.unit.no:11250/29811492022-02-25T04:54:39Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Adipose gene expression profiles reveal insights into the adaptation of northern Eurasian semi-domestic reindeer (Rangifer tarandus)
Weldenegodguad, Melak
Pokharel, Kisun
Niiranen, Laura
Soppela, Päivi
Ammosov, Innokentyi
Honkatukia, Mervi
Lindeberg, Heli
Peippo, Jaana
Reilas, Tiina
Mazzullo, Nuccio
Mäkelä, Kari A.
Nyman, Tommi
Tervahauta, Arja
Herzig, Karl-Heinz
Stammler, Florian
Kantanen, Juha
Reindeer (Rangifer tarandus) are semi-domesticated animals adapted to the challenging conditions of northern Eurasia. Adipose tissues play a crucial role in northern animals by altering gene expression in their tissues to regulate energy homoeostasis and thermogenic activity. Here, we perform transcriptome profiling by RNA sequencing of adipose tissues from three different anatomical depots: metacarpal (bone marrow), perirenal, and prescapular fat in Finnish and Even reindeer (in Sakha) during spring and winter. A total of 16,212 genes are expressed in our data. Gene expression profiles in metacarpal tissue are distinct from perirenal and prescapular adipose tissues. Notably, metacarpal adipose tissue appears to have a significant role in the regulation of the energy metabolism of reindeer in spring when their nutritional condition is poor after winter. During spring, genes associated with the immune system are upregulated in the perirenal and prescapular adipose tissue. Blood and tissue parameters reflecting general physiological and metabolic status show less seasonal variation in Even reindeer than in Finnish reindeer. This study identifies candidate genes potentially involved in immune response, fat deposition, and energy metabolism and provides new information on the mechanisms by which reindeer adapt to harsh arctic conditions.
publishedVersion
2022-02-24T10:04:25Z
2022-02-24T10:04:25Z
2022-01-10T17:51:26Z
2021-10-07
Peer reviewed
Journal article
Communications Biology. 2021, 4 .
urn:issn:2399-3642
https://hdl.handle.net/11250/2981149
https://doi.org/10.1038/s42003-021-02703-z
cristin:1977846
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s) 2021
application/pdf
Springer Nature
13
4
Communications Biology
1170
oai:nibio.brage.unit.no:11250/29945952022-05-07T03:55:55Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Vannovervåking i Forsvarsbyggs skyte- og øvingsfelt (SØF) i 2020 - Rapport for Høybuktmoen SØF. Forsvarsbygg region nord
Vannovervåking i Forsvarsbyggs skyte- og øvingsfelt (SØF) i 2020 - Rapport for Høybuktmoen SØF. Forsvarsbygg region nord
Haaland, Ståle Leif
Pedersen, Rikard
publishedVersion
2022-05-06T12:24:51Z
2022-05-06T12:24:51Z
2022-05-04T08:05:42Z
2021-12
Research report
urn:isbn:978-82-17-02865-9
https://hdl.handle.net/11250/2994595
cristin:2021214
nob
NIBIO Rapport
NIBIO-rapport;7(110) 2021
NIBIO - Norsk institutt for bioøkonomi: 11400-2
application/pdf
NIBIO
22
7
110
oai:nibio.brage.unit.no:11250/28309022021-11-24T04:54:37Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2499516
Biologisk mangfold i Nesodden kommune
Bratli, Harald
biologisk mangfold
rødlistede arter
naturtypekartlegging
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Naturressursforvaltning: 914
publishedVersion
2021-11-23T09:01:01Z
2021-11-23T09:01:01Z
2003
Report
urn:isbn:82-7464-306-2
urn:issn:1503-3066
https://hdl.handle.net/11250/2830902
nob
NIJOS Rapport;3/03
application/pdf
Norsk institutt for jord- og skogkartlegging NIJOS
81
oai:nibio.brage.unit.no:11250/28371922022-01-14T04:54:17Zcom_11250_92917col_11250_286115
Skjøtselsplan for Madsøya kystlynghei, Ørland kommune, Trøndelag
Nordal Grenne, Synnøve
Madsøya
Ørland
Kystlynghei
Skjøtsel
Denne rapporten presenterer revidert skjøtselsplan for kystlynghei for lokaliteten Madsøya i Ørland kommune, på oppdrag fra grunneier og bruker Bente Haugen Madsø og Statsforvalteren i Trøndelag. Skjøtselsplanen er en revidering av planen fra 2015 utarbeidet av Olaug Bach (Bach O. 2015). Skjøtselsplanen er utarbeidet etter mal for skjøtselsplaner for kystlynghei i regi av Miljødirektoratet. Kartleggingen av Madsøya har følgt Miljødirektoratets kartleggingsinstruks (MD 2021). I forbindelse med arbeidet ble Madsøya rekartlagt etter NiN 2.1 og kystlyngheien fikk dermed ny avgrensing, områdebeskrivelse og verdisetting.
publishedVersion
2022-01-13T07:02:07Z
2022-01-13T07:02:07Z
2021-12
Others
urn:isbn:978-82-17-02-758-4
urn:issn:2464-1162
https://hdl.handle.net/11250/2837192
nob
NIBIO-rapport;7(21) 2021
52533
NIBIO
application/pdf
Ås
NIBIO
52
7
NIBIO Rapport
21
oai:nibio.brage.unit.no:11250/30616182023-04-04T03:55:38Zcom_11250_92917col_11250_2402940col_11250_286117col_11250_2503541col_11250_2367607
Bruk av Cerone som vekstreguleringsmiddel i frøavlen av engsvingel
Bruk av Cerone som vekstreguleringsmiddel i frøavlen av engsvingel
Havstad, Lars
Øverland, John Ingar
Knudsen, Geir
Moen, Victoria Stornes
publishedVersion
2023-04-03T06:09:31Z
2023-04-03T06:09:31Z
2023-03-29T14:34:16Z
2023
Others
https://hdl.handle.net/11250/3061618
cristin:2138187
nob
Jord- og Plantekultur 2023 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2022
application/pdf
214-220
oai:nibio.brage.unit.no:11250/26865212020-11-12T04:54:28Zcom_11250_92917col_11250_2402939col_11250_2402940col_11250_286115col_11250_2367607
Grovfôrkostnader i norsk husdyrproduksjon – effekter av ulike valg i dyrking, høsting, konservering og utfôring av grovfôr.
Steinshamn, Håvard
Ystad, Eystein
Henriksen, Jan Karstein
Næss, Geir
Walland, Finn
Kostnadseffektivitet
Cost-effectiveness
Foretaksøkonomi
international business
Agronomi
Agronomy
VDP::Andre landbruksfag: 919
VDP::Other agricultural sciences: 919
Formålet med dette arbeidet var å kvantifisere effekter av ulike driftsvalg i dyrking, høsting,konservering og utfôring av grovfôr på totale fôrkostnader i de grovfôrbaserte driftsformene melkeproduksjon på storfe, kombinert melke- og kjøttproduksjon på storfe, spesialisert kjøttproduksjon på storfe og sauehold. Har. Vi brukte en modifisert versjon av analysemodellen ‘Grovfôrøkonomi’ som verktøy. De økonomiske beregningene er gjennomført innenfor scenarioanalyser som representerer bestemte kombinasjoner av de biologiske, agronomiske, tekniske, og økonomiske produksjonsfaktorene innenfor en driftsform. For hver driftsform har vi konstruert et eksempelbruk med standardverdier for de ulike produksjonsfaktorene, som danner grunnlaget for sammenligningen av de økonomiske effektene av de ulike faktorkombinasjonene eller scenariene. Scenarioanalysene omfatter verdikjeden i produksjonen av konservert grovfôr fra jordet (dyrking, høsting og konservering) til fôrbrettet (fôring)…..
publishedVersion
2020-11-05T10:09:48Z
2020-11-05T10:09:48Z
2020-11-04T12:57:42Z
2020-11
Research report
urn:isbn:978-82-17-02666-2
https://hdl.handle.net/11250/2686521
cristin:1844877
nob
NIBIO Rapport
NIBIO rapport;6(132) 2020
NIBIO - Norsk institutt for bioøkonomi: 10164
application/pdf
NIBIO
102
6
132
oai:nibio.brage.unit.no:11250/27205392020-12-22T04:53:56Zcom_11250_92917col_11250_286115col_11250_2367607
Feltrapport fra JOVA-programmet for Hotranfeltet 2017
Deelstra, Johannes
VDP::Naturressursforvaltning: 914
VDP::Natural resource management: 914
Hotranfeltet ligger i Levanger kommune i Nord-Trøndelag. Det totale arealet er på 20 000 daa, og i 2017 utgjorde jordbruksarealet 12 725 daa. Dyrket areal er dominert av korn (56 %). Bygg utgjør 96 % av kornarealet. Stubbareal gjennom vinteren utgjorde 23 % av totalarealet vinteren 2017/2018. Engarealet utgjorde 40 %. Antall gjødseldyrenheter i 2017 var 0,16 GDE/daa, en liten reduksjon sammenlignet med 2016 (0,18). Gjennom-snittet for hele perioden har vært 0,15 GDE/daa.
publishedVersion
2020-12-21T10:00:15Z
2020-12-21T10:00:15Z
2020-12-18T14:47:47Z
2020
Chapter
urn:isbn:978-82-17-02658-7
https://hdl.handle.net/11250/2720539
cristin:1861675
nob
Jord- og vannovervåking i landbruket (JOVA). Feltrapporter fra programmet i 2017.
application/pdf
oai:nibio.brage.unit.no:11250/29773582022-02-08T04:54:38Zcom_11250_92917col_11250_2402939col_11250_286115col_11250_2367607
Veileder for reinbeitedistriktenes arbeid med arealsaker
Haugen, Finn-Arne
Reindrift
Arealsaker
Arealplanlegging
Veilederen er skrevet for reinbeitedistriktenes som hjelp i deres arbeid med å sikre reindriftsnæringas interesser i arealplaner. Det stilles strenge krav til hvordan reindriftsnæringa skal ivaretas i offentlig planlegging. Kommunal og regional arealplanlegging er regulert av plan- og bygningsloven. Den beskriver både innholdet i arealplaner og krav til planprosesser. Opplegg for medvirkning, høring og konsultasjoner skal sikre reindriftsnæringas deltagelse i planprosesser. I tillegg har statsforvalteren som reindriftsmyndighet og Sametinget sentrale roller. Planmyndighetene er ansvarlig for å organisere planprosessene på en forsvarlig måte. Det er svært viktig for reindriftsnæringa at de deltar aktivt i planprosesser. Planmyndighetene er avhengig av nøyaktig informasjon om næringas arealbruk for å kunne ta hensyn til dette i planene. De viktigste informasjonskildene er distriktsplaner, reindriftas arealbrukskart og tradisjonell kunnskap. Offentlig regulering av arealbruk skjer også gjennom annet lovverk enn plan- og bygningsloven. De viktigste er konsesjoner for energiproduksjon og mineralutvinning. Verneplaner og tilrettelegging for ulike typer ferdsel kan også påvirke reindrifta. Slike saker følger i stor grad plan- og bygningslovens krav om hensyn til reindrift og involvering fra reindriftsnæringa. Ved arealplaner og andre større arealtiltak skal konsekvensene for reindrift utredes. Det er krav om aktiv medvirkning fra reindriftsnæringa og at utreder har tilgang til reindriftsfaglig kompetanse.
publishedVersion
2022-02-07T07:50:53Z
2022-02-07T07:50:53Z
2022-02-04T13:38:36Z
2022-02
Research report
urn:isbn:978-82-17-03010-2
https://hdl.handle.net/11250/2977358
cristin:1997831
nob
NIBIO Rapport
NIBIO-rapport;8(19) 2022
NIBIO - Norsk institutt for bioøkonomi: 52399-3
application/pdf
NIBIO
22
8
19
oai:nibio.brage.unit.no:11250/29770112022-02-05T04:54:14Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Vurdering av aktuelle alternativer for jordflytting ved utbygging på Finstad i Ski
Jayesingha, Monica
Jordflytting
Massehåndtering
KJ gruppen AS planlegger å bygge boligområde på Finstad i Nordre Follo kommune. Utbyggingen vil føre til nedbygging av dyrka mark på gnr. 137/bnr. 591, og jorda må derfor flyttes for å opparbeide nye jordbruksareal. Det er gjort vurdering av jordsmonnet på det dyrka arealet og en vurdering av hvor mye av jorda som egner seg til jordflytting. Ulike mottaksareal er befart og vurdert på tre eiendommer i Nordre Follo kommune (gnr./bnr. 78/2, 87/1 og 117/1). Det er sett på seks alternativer for jordflytting som omhandler større og mindre jordflytting i form av nydyrking og jordforbedring på eksisterende jorder. I forslaget til innspill til kommuneplanens arealdel er 15 dekar satt av til jordflytting, samt fire jordranker med jord av ulik kvalitet. Mottaksarealene på eiendommen gnr. 78, bnr. 2 har størrelser på 7 og 8 daa. Områdene består av skogholt med furuskog og grøftet myr med furuskog. På eiendommen gnr. 87 bnr. 1 er det to skogholt i tilknytning til et større jordbruksareal. På denne eiendommen er det også et større areal med plantet skog som kan nydyrkes. Arealene er henholdsvis 1,5 daa, 3,2 daa og 11,5 daa. På eiendommen gnr. 117, bnr. 1 er det et stort jordbruksareal med flere områder med fjell i dagen og svært lite jordsmonnsdekke. Her vil tilflyttende masser kunne brukes for å jordforbedre den eksisterende jordbruksenheten. Jordsmonnsundersøkelser på Finstadjordet viste at det var lettleire og siltig lettleire i matjordlaget. I undergrunnsjorda varierte teksturen og besto av lettleire, mellomleire og siltig mellomsand. Vurdering av de ulike alternativene for jordflytting resulterte i en prioritering av arealene på eiendommen gnr. 78, bnr. 2 for nydyrking. Disse arealene vil gi utvidelse av allerede eksisterende jordbruksarealer til større sammenhengende jorder med stor driftsverdi. Masser fra jordrankene kan brukes for å øke volumet av B-sjiktsmasser fra Finstadjordet for å gi tilfredsstillende jordsmonnsdybde. Overskuddsmassene fra jordrankene kan brukes for å forbedre jordene på eiendommen gnr. 117, bnr. 1.
publishedVersion
2022-02-04T06:55:10Z
2022-02-04T06:55:10Z
2022-02-02T07:46:47Z
2022-02
Research report
urn:isbn:978-82-17-03001-0
https://hdl.handle.net/11250/2977011
cristin:1996756
nob
NIBIO Rapport
NIBIO-rapport;8(10) 2022
NIBIO - Norsk institutt for bioøkonomi: 52607
application/pdf
NIBIO
46
8
10
oai:nibio.brage.unit.no:11250/26585022020-06-18T03:54:36Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2458517
Brannflatedynamikk i skog. Sammendrag fra et seminar 13.-14. januar 1997 i Norges forskningsråd, Oslo
Solbraa, Knut
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2020-06-17T13:03:55Z
2020-06-17T13:03:55Z
1997
Report
urn:isbn:82-7169-818-4
urn:issn:0803-284X
https://hdl.handle.net/11250/2658502
nob
Aktuelt fra Skogforsk;
Inneholder 26 innlegg fra et seminar
application/pdf
Norway
Norsk institutt for skogforskning
48
Aktuelt fra Skogforsk
2/97
oai:nibio.brage.unit.no:11250/27703272021-08-20T03:54:27Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2456800
Håndbok for manusarbeid
Saursaunet, Trond
publishedVersion
2021-08-19T12:18:18Z
2021-08-19T12:18:18Z
2003
Report
https://hdl.handle.net/11250/2770327
nob
NIJOS dokument;3/03
application/pdf
Norsk institutt for jord- og skogkartlegging NIJOS
46
oai:nibio.brage.unit.no:11250/26574262020-06-11T03:54:12Zcom_11250_92917com_11250_2649622com_11250_2434444col_11250_2367607col_11250_2458517
Top shoot dieback on Norway spruce seedlings associated with Gremmeniella and Phomopsis
Børja, Isabella
Solheim, Halvor
Hietala, Ari Mikko
Fossdal, Carl Gunnar
In spring 2002, extensive damage was recorded in southeast Norway on nursery-grown Norway spruce seedlings that had either wintered in nursery cold storage or had been planted out in autumn 2001. The damage was characterised by a top shoot dieback. Two visually distinct types of necroses were located either on the upper or lower part of the 2001-year-shoot. Isolations from the upper stem necroses rendered Gremmeniella abietina, while Phomopsis sp. was isolated mostly from the lower stem necroses. RAMS (random amplified microsatellites) profiling indicated that the G. abietina strains associated with diseased nursery seedlings belonged to LTT (large-tree type) ecotype,and inoculation tests confirmed their pathogenicity on Norway spruce seedlings. Phomopsis sp. was not pathogenic in inoculation tests, this implying it may be a secondary colonizer. We describe here the Gremmeniella – associated shoot dieback symptoms on Norway spruce seedlings and conclude that the unusual disease outburst was related to the Gremmeniella epidemic caused by the LTT ecotype on large Scots pines in 2001. The role of Phomopsis sp. in the tissue of diseased Norway spruce seedlings is yet unclear.
publishedVersion
2020-06-10T06:35:37Z
2020-06-10T06:35:37Z
2017-11-29T12:00:43Z
2006
Research report
https://hdl.handle.net/11250/2657426
cristin:1520149
eng
Aktuelt fra Skogforskningen
Aktuelt fra Skogforskningen
application/pdf
Norsk Institutt for Skogforskning
7
1/06
oai:nibio.brage.unit.no:11250/31116012024-01-16T04:57:11Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Acclimation of circadian rhythms in woodland strawberries (Fragaria vesca L.) to Arctic and mid-latitude photoperiods
Faehn, Corine Alexis
Reichelt, Michael
Mithöfer, Axel
Hytönen, Timo
Mølmann, Jørgen Alexander Barosen
Jaakola, Laura Elina
Background Though many abiotic factors are constantly changing, the photoperiod is a predictable factor that enables plants to time many physiological responses. This timing is regulated by the circadian clock, yet little is known about how the clock adapts to the differences in photoperiod between mid-latitudes and high latitudes. The primary objective of this study was to compare how clock gene expression is modified in four woodland strawberry (Fragaria vesca L.) accessions originating from two different populations in Italy (IT1: Tenno, Italy, 45°N, IT4: Salorno, Italy, 46°N) and two in Northern Norway (NOR2: Alta, Norway, 69°N, NOR13: Indre Nordnes, Norway 69°N) when grown under simulated daylength conditions of an Arctic or mid-latitude photoperiod. The second objective was to investigate whether population origin or the difference in photoperiod influenced phytohormone accumulation. Results The Arctic photoperiod induced lower expression in IT4 and NOR13 for six clock genes (FvLHY, FvRVE8, FvPRR9, FvPRR7, FvPRR5, and FvLUX), in IT1 for three genes (FvLHY, FvPRR9, and FvPRR5) and in NOR2 for one gene (FvPRR9). Free-running rhythms for FvLHY in IT1 and IT4 were higher after the Arctic photoperiod, while the free-running rhythm for FvLUX in IT4 was higher after the mid-latitude photoperiod. IT1 showed significantly higher expression of FvLHY and FvPRR9 than all other accessions, as well as significantly higher expression of the circadian regulated phytohormone, abscisic acid (ABA), but low levels of salicylic acid (SA). NOR13 had significantly higher expression of FvRVE8, FvTOC1, and FvLUX than all other accessions. NOR2 had extremely low levels of auxin (IAA) and high levels of the jasmonate catabolite, hydroxyjasmonic acid (OH-JA). Conclusions Our study shows that circadian rhythms in Fragaria vesca are driven by both the experienced photoperiod and genetic factors, while phytohormone levels are primarily determined by specific accessions’ genetic factors rather than the experienced photoperiod. Keywords Arctic, Mid-latitude, Photoperiod, Daylength, Circadian clock, Phytohormones, Circadian rhythm, Fragaria vesca, Plant adaptation
publishedVersion
2024-01-15T15:50:21Z
2024-01-15T15:50:21Z
2023-10-29T16:22:47Z
2023-10-10
Peer reviewed
Journal article
BMC Plant Biology. 2023, 23 .
urn:issn:1471-2229
https://hdl.handle.net/11250/3111601
https://doi.org/10.1186/s12870-023-04491-6
cristin:2189651
eng
Nordforsk: 84597
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s) 2023
application/pdf
BMC
23
BMC Plant Biology
483
oai:nibio.brage.unit.no:11250/30220422022-09-29T03:55:44Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Chafer grubs and leatherjackets on golf courses – integrated management in Scandinavia
Chafer grubs and leatherjackets on golf courses – integrated management in Scandinavia
Hesselsøe, Karin Juul
Menzler-Hokkanen, Ingeborg
Petersen, Torben Kastrup
Edman, Peter
Chafer grubs and leatherjackets can cause severe damages to Scandinavian Golf Courses – mainly in the southern areas. Damages from chafer grubs are occasional, damages from leatherjackets tend to be increasing. Restrictions on insecticides have necessitated the use of alternative control methods. Many experiments with microbiological agents like entomopathogenic nematodes (EPN) and strains of Bacillus thuringiensis have been conducted, but monitoring and warning, and methods for application, spraying equipment and technique, formulation of and effective species of microbiological agents must be improved. Good communication with the golfers is essential, as more damages from insect pests will occur now and in the future, and alternative methods are often more expensive and less effective than the synthetic insecticides. Course managers and greenkeepers have to become experts in the use of microbiological control.
publishedVersion
2022-09-28T08:10:09Z
2022-09-28T08:10:09Z
2022-09-27T16:27:50Z
2022
Research report
urn:isbn:978-82-17-03143-7
https://hdl.handle.net/11250/3022042
cristin:2056055
eng
NIBIO Rapport
application/pdf
NIBIO
24
8
122
oai:nibio.brage.unit.no:11250/26184132023-03-02T15:19:51Zcom_11250_2649620com_11250_2434444com_11250_92917col_11250_2437081col_11250_2367607
Bekjemping av grasugras med Axial i bladfaksfrøeng
Tørresen, Kirsten
Aamlid, Trygve
Vaaland, Silja
publishedVersion
2019-09-24T09:12:36Z
2019-09-24T09:12:36Z
2014-04-10T14:04:23Z
2013
Chapter
urn:isbn:978-82-17-00997-9
urn:issn:0809-8662
http://hdl.handle.net/11250/2618413
cristin:1728209
nob
Bioforsk FOKUS
Bioforsk FOKUS;8(1) 2013
application/pdf
Bioforsk
204-206
8
1
oai:nibio.brage.unit.no:11250/30724152023-06-22T03:55:47Zcom_11250_92917col_11250_2402940col_11250_286115col_11250_2367607
Skjøtselsplan for slåttemark i Marka i Farsund. Revidert skjøtselsplan for utvald naturtype
Skjøtselsplan for slåttemark i Marka i Farsund. Revidert skjøtselsplan for utvald naturtype
Blütecher, Elin
Svalheim, Ellen
Pedersen, Oddvar
Naturtypen artsrik slåttemark er sterkt truga ifølge «norsk rødliste for naturtyper», og var i 2011 utvald naturtype (UN) med eit visst vern gjennom naturmangfaldlova. I 2022 fekk NIBIO ved Ellen Svalheim førespurnad frå Farsund kommune om revidering av deler av skjøtselsplanen frå 2007 for eit område på 45 daa i Marka i Farsund. Slåttemarka ligg innanfor tidlegare Marka skyte og øvingsfelt og består av dei to eigedomane gbnr 29/29 og 29/25. Feltarbeid vart gjennomført i august 2022. Tidlegare er det gjort fleire registreringar av vegetasjonen innanfor skjøtselsplanområdet der slåttemarka er gitt verdi B-viktig (ID BN00037471). Ein liten flik av ei større kystlynghei i nord finst og innanfor området med tidlegare samla verdi A-svært viktig (ID 00070187). Denne skjøtselsplanen gir restaurerings- og skjøtselsplanråd for ivaretaking av dei kulturavhengige naturtypane. Skjøtselsplanen er utarbeid i samarbeid med grunneigarane Jan Helge Samuelsen og Terje Ersland som driv skjøtsel av slåttemarka.
Skjøtselsplan for slåttemark i Marka i Farsund. Revidert skjøtselsplan for utvald naturtype
publishedVersion
2023-06-21T08:46:11Z
2023-06-21T08:46:11Z
2023-06-20T08:16:51Z
2023
Research report
https://hdl.handle.net/11250/3072415
cristin:2156032
nno
NIBIO Rapport
NIBIO Rapport
application/pdf
NIBIO
40
9
94
oai:nibio.brage.unit.no:11250/30806552023-07-22T03:55:46Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Effect of composting and vermicomposting on potentially toxic element contents and bioavailability in sewage sludge digestate
Effect of composting and vermicomposting on potentially toxic element contents and bioavailability in sewage sludge digestate
Rékási, Márk
Ragályi, Péter
Sándor, Déniel Benjámin
Szabó, Anita
Rivier, Pierre-Adrien
Farkas, Csilla
Szécsy, Orsolya
Uzinger, Nikolett
Vermicomposts and composts prepared from sewage sludge digestate and additives (spent mushroom compost, straw, biochar) after 43 days pre-composting followed by 90 days vermicomposting with Eisenia fetida or by compost maturing were investigated regarding the potentially toxic element (PTE) As, Co, Cr, Cu, Mo, Ni, Pb and Zn contents. The average increment in the total PTE concentration for the entire process was ten times higher (104 %) compared to the increment solely in the composting or vermicomposting (9.3 and 9.5 %, respectively) after pretreatment. Compared to the untreated digestate the As and Co concentrations in the final mixtures were 26 and 51 % higher, respectively while for the other PTEs 26 ± 9 % average decrease was observed. Total PTE content was the same in composts and vermicomposts. Average PTE bioavailability (water soluble/total concentration) was statistically the same in vermicomposts (2.5) and composts (2.7), but lower in mixtures with biochar (2.5) than without it (2.8).
publishedVersion
2023-07-21T07:58:24Z
2023-07-21T07:58:24Z
2023-03-14T12:42:15Z
2023-02
Peer reviewed
Journal article
Bioresource Technology Reports. 2023, 21 .
urn:issn:2589-014X
https://hdl.handle.net/11250/3080655
https://doi.org/10.1016/j.biteb.2022.101307
cristin:2133790
eng
© 2022 The Authors
application/pdf
Elsevier Ltd.
21
Bioresource Technology Reports
101307
oai:nibio.brage.unit.no:11250/30613832023-04-13T12:24:50Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
E16 Bjørum – Skaret. Resultater for renseanlegg for nitrogen i 2022
E16 Bjørum – Skaret. Resultater for renseanlegg for nitrogen i 2022
Roseth, Roger
Skrutvold, Johanna
Vartdal, Ida Viddal
Fjermestad, Halldis
Barland, Tiril
Avrenning av nitrogen fra sprengstein gir forhøyede konsentrasjoner av nitrat og ammonium i vassdrag. Avhengig av deponert volum og type masser kan det skje avrenning av store mengder nitrogen, i størrelsesorden 10-70 gram nitrogen per anbrakt kubikkmeter stein. For vassdrag kan tilstanden for nitrogen midlertidig endres fra «svært god» til «svært dårlig». Tilførslene kan gi økologiske effekter i ferskvann, og bidrar til uønsket eutrofiering i sjøvann. Etablering av effektive rensetiltak for fjerning av nitrogen i avrenning fra sprengstein og tunnelarbeid har blitt vurdert som vanskelig, og har ikke blitt prøvd ut i Norge tidligere. For E16 Bjørum-Skaret har Statsforvalteren stilt krav om at det skal etableres et forsøksanlegg for rensing av nitrogen fra sprengsteinsfyllinga i Nordlandsdalen. Rapporten presenterer resultater og erfaringer fra et fullskala forsøksanlegg for rensing av nitrogen fra en stor steinfylling i Nordlandsdalen i Hole kommune gjennom 2022.
E16 Bjørum – Skaret. Resultater for renseanlegg for nitrogen i 2022
publishedVersion
publishedVersion
2023-03-31T10:34:39Z
2023-03-31T10:34:39Z
2023-03-24T14:50:07Z
2023
Research report
https://hdl.handle.net/11250/3061383
cristin:2136749
nob
NIBIO Rapport
NIBIO Rapport
application/pdf
NIBIO
50
9
52
oai:nibio.brage.unit.no:11250/29827722022-03-04T04:55:33Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Pinpointing regulatory protein phosphatase 2A subunits involved in beneficial symbiosis between plants and microbes
Averkina, Irina Orestovna
Harris, Muhammad
Asare, Edward Ohene
Hourdin, Bérénice
Paponov, Ivan
Lillo, Cathrine
Background
PROTEIN PHOSPHATASE 2A (PP2A) expression is crucial for the symbiotic association between plants and various microbes, and knowledge on these symbiotic processes is important for sustainable agriculture. Here we tested the hypothesis that PP2A regulatory subunits, especially B’φ and B’θ, are involved in signalling between plants and mycorrhizal fungi or plant-growth promoting bacteria.
Results
Treatment of tomato plants (Solanum lycopersicum) with the plant growth-promoting rhizobacteria (PGPR) Azospirillum brasilense and Pseudomonas simiae indicated a role for the PP2A B’θ subunit in responses to PGPR. Arbuscular mycorrhizal fungi influenced B’θ transcript levels in soil-grown plants with canonical arbuscular mycorrhizae. In plant roots, transcripts of B’φ were scarce under all conditions tested and at a lower level than all other PP2A subunit transcripts. In transformed tomato plants with 10-fold enhanced B’φ expression, mycorrhization frequency was decreased in vermiculite-grown plants. Furthermore, the high B’φ expression was related to abscisic acid and gibberellic acid responses known to be involved in plant growth and mycorrhization. B’φ overexpressor plants showed less vigorous growth, and although fruits were normal size, the number of seeds per fruit was reduced by 60% compared to the original cultivar.
Conclusions
Expression of the B’θ gene in tomato roots is strongly influenced by beneficial microbes. Analysis of B’φ overexpressor tomato plants and established tomato cultivars substantiated a function of B’φ in growth and development in addition to a role in mycorrhization.
publishedVersion
2022-03-03T11:25:44Z
2022-03-03T11:25:44Z
2021-06-29T09:31:16Z
2021-04-16
Peer reviewed
Journal article
Averkina, I. O., Harris, M., Asare, E. O., Hourdin, B., Paponov, I. A., & Lillo, C. (2021). Pinpointing regulatory protein phosphatase 2A subunits involved in beneficial symbiosis between plants and microbes. BMC Plant Biology, 21(1).
urn:issn:1471-2229
https://hdl.handle.net/11250/2982772
https://doi.org/10.1186/s12870-021-02960-4
cristin:1919170
eng
Norges forskningsråd: 255613
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s). 2021
application/pdf
BMC
21
BMC Plant Biology
183
oai:nibio.brage.unit.no:11250/26901752020-12-01T04:54:23Zcom_11250_92917col_11250_2402939col_11250_286115col_11250_2367607
Bevaring og bruk av plantegenetiske ressurser - Handlingsplan for nytteplanter 2021-2025
Sæther, Nina Alvilde Hovden
Kulturplanter
Crop plants
Handlingsplan
Action plan
Bevaring
Preservation
VDP::Planteforedling, hagebruk, plantevern, plantepatologi: 911
VDP::Plant breeding, horticulture, plant protection, plant pathology: 911
Handlingsplanen er et styringsverktøy for arbeidet med de bevaringsverdige plantegenetiske ressursene i Norge. Handlingsplanen gir en kortfattet oversikt over motivasjon og status for arbeidet, og definerer mål og tiltak innen viktige satsingsområder tilsvarende satsingsområdene i FAOs Second Global Plan of Action for Plant Genetic Resources for Food and Agriculture. Handlingsplanen tar i hovedsak for seg arbeidet med bevaring og bruk av vegetativt formert bevaringsverdig plantemateriale, det vil si materiale som er bevart eller vurderes bevart i de ulike feltgenbankene som Norsk genressurssenter har en faglig samarbeidsavtale med.
publishedVersion
2020-11-30T11:33:05Z
2020-11-30T11:33:05Z
2020-11-29T08:33:39Z
2020-11
Research report
urn:isbn:978-82-17-02692-1
https://hdl.handle.net/11250/2690175
cristin:1853719
nob
NIBIO Rapport
NIBIO-rapport;6(152) 2020
NIBIO - Norsk institutt for bioøkonomi: 792020
application/pdf
NIBIO
32
6
152
oai:nibio.brage.unit.no:11250/26897202020-11-27T04:54:20Zcom_11250_92917col_11250_2402938col_11250_286116col_11250_2367607
Overvåkingsresultater for plantevernmidler i næringsmidler 2019
Bolli, Randi
Christiansen, Agnethe
I 2019 ble det analysert 1105 prøver av konvensjonelle ferske, fryste eller bearbeidede matvarer og 158 prøver av økologiske matvarer i overvåkingsprogrammet «Rester av plantevernmidler i næringsmidler» som NIBIO utfører på oppdrag av og i samarbeid med Mattilsynet. Prøveuttaket omfattet 120 ulike vareslag fra 65 forskjellige land. Av de 1263 prøvene var 70 % importerte og 30 % norskproduserte næringsmidler. Resultatene viser at innholdet av rester av plantevernmidler i næringsmidler på det norske markedet er lavt. I mer enn 97 % av prøvene som ble tatt ut i 2019, er innholdet innenfor de fastsatte grenseverdiene. Det var ingen funn over grenseverdi i norske produkter.
publishedVersion
2020-11-26T10:10:17Z
2020-11-26T10:10:17Z
2020-11-25T08:18:44Z
2020-11
Journal article
NIBIO POP. 2020, 6 (42), .
urn:issn:2464-1170
https://hdl.handle.net/11250/2689720
cristin:1851964
nob
NIBIO pop;6(42) 2020
application/pdf
6
6
NIBIO POP
42
oai:nibio.brage.unit.no:11250/28239332021-10-20T03:54:32Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Effect of projected land use and climate change on water quality of old woman creek watershed, ohio
Olaoye, Israel A.
Confesor, Remegio
Ortiz, Joseph D.
The separate and synergistic effects of land use and climate change on water quality variables in Old Woman Creek (OWC) watershed were evaluated using a hydrological model set up in Soil and Water Assessment Tool (SWAT) for the OWC watershed. Model calibration was done using a multi-objective evolutionary algorithm and pareto optimization. The Parameter-Elevation Regressions on Independent Slopes Model (PRISM) climate data and the 20 different Global Circulation Models (GCMs) developed by the Coupled Model Intercomparison Project Phase five (CMIP5) were used. Validation was done using the streamflow data from USGS gaging station and water quality data from the water quality lab, Heidelberg University. The simulation was divided into two land use scenarios: Scenario 1 for constant land use and Scenario 2 where land use was varied. Both land use simulations were run in four time periods to account for climate change: historical (1985–2014), current to near future (2018–2045), mid-century (2046–2075), and late-century (2076–2100) climate windows. For the historical period, the average of all the simulations made from the 20 different CMIP5 GCMs shows good agreement with the PRISM results for flow and the water quality variables of interest with smaller inter-model variability compared to PRISM results. For the other three climate windows, the results of Scenario 1 show an increase in flow and eight water quality variables (sediment (total suspended sediment), organic nitrogen, organic phosphorus (particulate p), mineral phosphorus (soluble reactive p), chlorophyll a, carbonaceous biochemical oxygen demand (CBOD), dissolved oxygen, total nitrogen) across the climate windows but a slight decrease in one water quality variable, mineral phosphorus in the mid-century. The results of Scenario 2 show a greater increase in flow, and the eight water quality variables across the climate windows show a relatively larger decrease in one water quality variable (mineral phosphorus). The projected land use change has little impact compared to the projected climate change on OWC watershed in the 21st century.
publishedVersion
2021-10-19T14:04:03Z
2021-10-19T14:04:03Z
2021-05-05T09:39:41Z
2021-04-04
Peer reviewed
Journal article
Hydrology. 2021, 8 (2), 1-23.
urn:issn:2306-5338
https://hdl.handle.net/11250/2823933
https://doi.org/10.3390/hydrology8020062
cristin:1908132
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
1-23
8
Hydrology
2
62
oai:nibio.brage.unit.no:11250/27648442021-07-22T03:54:38Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Pollution by Antibiotics and Antimicrobial Resistance in LiveStock and Poultry Manure in China, and Countermeasures
Tian, Ming
He, Xinmiao
Feng, Yanzhong
Wang, Wentao
Chen, Heshu
Gong, Ming
Liu, Di
Clarke, Jihong Liu
van Eerde, André
The demand for animal protein has increased considerably worldwide, especially in China, where large numbers of livestock and poultry are produced. Antibiotics have been widely applied to promote growth and prevent diseases. However, the overuse of antibiotics in animal feed has caused serious environmental and health risks, especially the wide spread of antimicrobial resistance (AMR), which seriously affects animal and human health, food safety, ecosystems, and the sustainable future development of animal protein production. Unfortunately, AMR has already become a worldwide challenge, so international cooperation is becoming more important for combatting it. China’s efforts and determination to restrict antibiotic usage through law enforcement and effective management are of significance. In this review, we address the pollution problems of antibiotics; in particular, the AMR in water, soil, and plants caused by livestock and poultry manure in China. The negative impact of widespread and intensive use of antibiotics in livestock production is discussed. To reduce and mitigate AMR problems, we emphasize in this review the development of antibiotic substitutes for the era of antibiotic prohibition.
publishedVersion
2021-07-21T07:15:08Z
2021-07-21T07:15:08Z
2021-06-02T10:46:30Z
2021-05-06
Peer reviewed
Journal article
Antibiotics. 2021, 10 (5), .
urn:issn:2079-6382
https://hdl.handle.net/11250/2764844
https://doi.org/10.3390/antibiotics10050539
cristin:1913221
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
16
10
Antibiotics
5
539
oai:nibio.brage.unit.no:11250/26420072020-02-17T13:02:46Zcom_11250_92917col_11250_2402938col_11250_2402940col_11250_2367607col_11250_2395173
Distribution of the Infection Time of Ascospores of Venturia inaequalis
Philion, Vincent
Joubert, Valentin
Trapman, Marc
Hjelkrem, Anne-Grete Roer
Stensvand, Arne
Epidemology
Disease warning system
Fruit
Tree fruits
Fungi
VDP::Landbruks- og Fiskerifag: 900
In many areas where spring is wet, fungicides are applied in relation to rain events that trigger ejection of ascospores of Venturia inaequalis, which cause primary infections of apple scab. Past studies established the rate of ejection during rain in relation to light and temperature, and determined the wetting time required for infection. Simulation software uses this information to calculate risk and help time sprays accordingly. However, the distribution of the infection time required by a population of spores landed on leaves was never studied, and assumptions were used. To estimate this, we inoculated ascospores of V. inaequalis on potted trees at different temperatures for specific wetting times. Lesions were enumerated after incubation. Lesions increased with wetness time and leveled off once the slowest spores infected the host, closely matching the monomolecular model. Wetness hours were best adjusted for temperature using the Yin equation. The minimum infection time on the youngest leaves was about 5 h, matching results from previous studies, whereas half the lesions appeared after 7 h of infection. Infection times for leaves with ontogenic resistance were longer. Our results improve current software estimates and may improve spraying decisions.
acceptedVersion
2020-02-17T13:02:46Z
2020-02-17T13:02:46Z
2019-12-16T16:03:18Z
2019-02
Journal article
Peer reviewed
urn:issn:0191-2917
http://hdl.handle.net/11250/2642007
https://doi.org/10.1094/PDIS-11-18-2046-RE
cristin:1761452
eng
Norges forskningsråd: 244526
© 2020 The American Phytopathological Society
application/vnd.openxmlformats-officedocument.wordprocessingml.document
Plant Disease
oai:nibio.brage.unit.no:11250/26786812020-09-22T03:55:00Zcom_11250_92917com_11250_2649622com_11250_2434444col_11250_2367607col_11250_2449032
Skogsveger - noe mer enn skogbruk?
Gundersen, Vegard
Nyeggen, Hans
Artikkelen fokuserer på bruk av skogsveger for friluftslivet. Vegtypene skogbruket bygger i dag er traktor- og bilveger. De fleste skogsvegene bygges etter bestemte standardkrav i vegnormalene (Landbruksdepartementet 1997), en forutsetning for offentlig tilskudd og investeringslån Landbruksdepartementet 1994a og b). Planene må byggemeldes og være godkjent av kommunen (Landbruksdepartementet 1996). Et krav for å få bygge skogsveger, er at det skal tas hensyn til helhetsløsninger i et område, noe som bl.a. medfører at eiendomsgrenser ikke har noen betydning for hvor vegen skal legges og at vegen kan bygges i kombinasjon med jordbruk og andre formål. Miljøverdier knyttet til biologisk mangfold, naturmiljø, landskap, kulturminner og friluftsliv skal også vektlegges. Flerbrukshensyn skal innarbeides i vegplanene for alle skogsveger. Foruten vegnormalkravene til bl.a. teknisk og geometrisk utforming, skogrydding og etterarbeid, er det lagd en veiledning for vegplanleggere, entreprenører og skogeiere som tar for seg begrensninger og tilpasninger av inngrepet til naturen (Landbruksdepartementet 1991). Under planleggingen av traseen skal det bl.a. tas hensyn til synsinntrykk av vegen, harmonisering med omgivelsene, terrengformasjoner, randsoner, viltbiotoper og fornminner. I anleggsfasen skal både dimensjonering, utforming, utførelse og opprydding være i tråd med retningslinjene.
publishedVersion
2020-09-21T08:30:13Z
2020-09-21T08:30:13Z
2020-09-18T14:32:20Z
2007
Others
urn:isbn:978-82-311-0010-2
https://hdl.handle.net/11250/2678681
cristin:1831224
nob
Skogen på Sørvestlandet. Referat fra Kontaktkonferansen mellom skogbruket og skogforskningen i Sandnes 2. og 3. oktober 2006
application/pdf
79-83
oai:nibio.brage.unit.no:11250/28239532021-10-20T03:54:34Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Nitrogen Deficiency and Synergism between Continuous Light and Root Ammonium Supply Modulate Distinct but Overlapping Patterns of Phytohormone Composition in Xylem Sap of Tomato Plants
Paponov, Martina
Arakelyan, Aleksandr
Dobrev, Petre I.
Verheul, Michel
Paponov, Ivan
Continuous light (CL) or a predominant nitrogen supply as ammonium (NH4+) can induce leaf chlorosis and inhibit plant growth. The similarity in injuries caused by CL and NH4+ suggests involvement of overlapping mechanisms in plant responses to these conditions; however, these mechanisms are poorly understood. We addressed this topic by conducting full factorial experiments with tomato plants to investigate the effects of NO3− or NH4+ supply under diurnal light (DL) or CL. We used plants at ages of 26 and 15 days after sowing to initiate the treatments, and we modulated the intensity of the stress induced by CL and an exclusive NH4+ supply from mild to strong. Under DL, we also studied the effect of nitrogen (N) deficiency and mixed application of NO3− and NH4+. Under strong stress, CL and exclusive NH4+ supply synergistically inhibited plant growth and reduced chlorophyll content. Under mild stress, when no synergetic effect between CL and NH4+ was apparent on plant growth and chlorophyll content, we found a synergetic effect of CL and NH4+ on the accumulation of several plant stress hormones, with an especially strong effect for jasmonic acid (JA) and 1-aminocyclopropane-1-carboxylic acid (ACC), the immediate precursor of ethylene, in xylem sap. This modulation of the hormonal composition suggests a potential role for these plant hormones in plant growth responses to the combined application of CL and NH4+. No synergetic effect was observed between CL and NH4+ for the accumulation of soluble carbohydrates or of mineral ions, indicating that these plant traits are less sensitive than the modulation of hormonal composition in xylem sap to the combined CL and NH4+ application. Under diurnal light, NH4+ did not affect the hormonal composition of xylem sap; however, N deficiency strongly increased the concentrations of phaseic acid (PA), JA, and salicylic acid (SA), indicating that decreased N concentration rather than the presence of NO3− or NH4+ in the nutrient solution drives the hormone composition of the xylem sap. In conclusion, N deficiency or a combined application of CL and NH4+ induced the accumulation of JA in xylem sap. This accumulation, in combination with other plant hormones, defines the specific plant response to stress conditions.
publishedVersion
2021-10-19T18:07:30Z
2021-10-19T18:07:30Z
2021-07-29T17:08:54Z
2021-03-18
Peer reviewed
Journal article
Plants. 2021, 10 (3), 1-24.
urn:issn:2223-7747
https://hdl.handle.net/11250/2823953
https://doi.org/10.3390/plants10030573
cristin:1923066
eng
Norges forskningsråd: 255613
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
1-24
10
Plants
3
573
oai:nibio.brage.unit.no:11250/30634192023-04-19T03:56:19Zcom_11250_92917col_11250_2402938col_11250_2402940col_11250_286117col_11250_2503541col_11250_2367607
Vårhvetesorter og soppbekjempelse 2022
Vårhvetesorter og soppbekjempelse 2022
Grieu, Chloé
Abrahamsen, Unni
publishedVersion
2023-04-18T05:58:58Z
2023-04-18T05:58:58Z
2023-03-02T09:03:39Z
2023
Others
https://hdl.handle.net/11250/3063419
cristin:2130663
nob
Jord- og Plantekultur 2023 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2022
application/pdf
oai:nibio.brage.unit.no:11250/27630682021-07-03T03:54:01Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Tire wear particles concentrations in gully pot sediments
Mengistu, Demmelash
Heistad, Arve
Coutris, Claire
While tire wear and tear is known to be a major source of microplastics in the environment, its monitoring is still hampered by the lack of analytical methods able to provide concentrations in environmental matrices. Tirewear particles (TWP) present in road runoff enter the drainage system through gully pots, built to prevent sediment deposition in the drainage system, and eventually protect downstream receiving waters. The aim of this study was to detect and quantify TWP in gully pot sediments, by using a novel method combining Simultaneous Thermal Analysis (STA), Fourier Transform Infrared (FTIR) spectroscopy and Parallel Factor Analysis (PARAFAC). The method was applied to samples from five sites in Southern Norway, characterized by different traffic densities and patterns. The method involved no sample pretreatment, the whole sediment samplewas submitted to thermal decomposition in STA, and gases generated during pyrolysis were continuously transferred to FTIR. The FTIR data were arranged in a trilinearmulti-way dataset (samples × IR spectra wavenumber × pyrolysis temperature) and then analyzed by PARAFAC. The results showed that TWP concentrations in gully pots varied greatly across sites, ranging frombelow1 mgTWP/g sediment in streetswith the lowest traffic densities, to 150 mgTWP/g sediment at themost trafficked study site. The results also indicated that other traffic conditions, such as driving patterns influence TWP concentrations. Finally, by enabling quantification of TWP in gully pot sediments, the approach presented here supports environmental monitoring of TWP and safe disposal of gully pot sediments, which is critical for environmental pollution management.
publishedVersion
2021-07-02T09:27:11Z
2021-07-02T09:27:11Z
2021-01-19T18:27:10Z
2021-05-15
Peer reviewed
Journal article
Mengistu, D., Heistad, A., & Coutris, C. (2021). Tire wear particles concentrations in gully pot sediments. Science of the Total Environment, 769, 1-8.
urn:issn:0048-9697
https://hdl.handle.net/11250/2763068
https://doi.org/10.1016/j.scitotenv.2020.144785
cristin:1874751
eng
https://doi.org/10.1016/j.scitotenv.2020.144785
Norges forskningsråd: 194051
Norges forskningsråd: 272946
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 The Author(s)
application/pdf
Elsevier B.V.
769
Science of the Total Environment
144785
oai:nibio.brage.unit.no:11250/27248512021-01-27T04:53:48Zcom_11250_92917col_11250_2402939col_11250_2367607col_11250_2395173
Afforestation of a pasture in Norway did not result in higher soil carbon, 50 years after planting
Strand, Line Tau
Fjellstad, Wendy Jane
Jackson-Blake, Leah Amber
de Wit, Heleen
Afforestation of marginal cultivated land is an internationally approved climate mitigation strategy, however, with uncertain implications for soil organic carbon (SOC) storage. We examined the effect of forest planting by measuring SOC at two adjacent sites: one with a Norway spruce forest planted in 1968 and one actively grazed pasture. Both sites had similar land-use history before forest planting, and they were as similar as possible in all other edaphic factors. There were no significant differences in SOC stocks down to 30 cm mineral soil, 7.15 and 8.51 kg C m−2 in the forest plantation and pasture respectively. Only a minimal build-up of an O horizon, less than 2 cm, was observed in the plantation. The SOC stocks of the plantation and pasture were not significantly different from that of a nearby old forest, 7.17 kg C m−2. When comparing these three land-uses we found that there were significant differences in the upper 10 cm of the soil with regard to other soil properties. Nitrogen (N) stock and pH were significantly lower in the old forest compared to the plantation, which again was significantly lower than that of the pasture. The opposite was the case for the C/N ratio. We conclude that there were no significant differences in SOC stocks in the upper 30 cm 50 years after afforestation with Norway spruce, but that there is still a legacy from the former cultivation that may influence both productivity and organic matter dynamics.
publishedVersion
2021-01-26T15:45:43Z
2021-01-26T15:45:43Z
2021-01-15T16:33:01Z
2020-12-06
Peer reviewed
Journal article
Landscape and Urban Planning. 2020, 207 .
urn:issn:0169-2046
https://hdl.handle.net/11250/2724851
https://doi.org/10.1016/j.landurbplan.2020.104007
cristin:1872355
eng
Norges forskningsråd: 194051
Norges forskningsråd: 235560
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2020 The Authors
application/pdf
Elsevier B.V.
8
207
Landscape and Urban Planning
104007
oai:nibio.brage.unit.no:11250/27354252021-03-26T04:54:44Zcom_11250_92917col_11250_2503541col_11250_2367607
Vekstregulering i Mirakel vårhvete 2019
Abrahamsen, Unni
publishedVersion
2021-03-25T09:20:42Z
2021-03-25T09:20:42Z
2021-01-19T10:02:05Z
2020
Chapter
urn:isbn:978-82-17-02481-1
urn:issn:2464-1189
https://hdl.handle.net/11250/2735425
cristin:1873973
nob
Jord- og plantekultur 2020 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2019
NIBIO Bok;6 (1) 2020
application/pdf
NIBIO
103-110
oai:nibio.brage.unit.no:11250/28230842021-10-15T03:55:01Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Propionate induces intestinal oxidative stress via Sod2 propionylation in zebrafish
Ding, Qianwen
Zhang, Zhen
Li, Yu
Liu, Hongliang
Hao, Qiang
Yang, Yalin
Ringø, Einar
Olsen, Rolf Erik
Clarke, Jihong Liu
Ran, Chao
Zhou, Zhigang
Propionate and propionyl-CoA accumulation have been associated with the development of mitochondrial dysfunction. In this study, we show that propionate induces intestinal damage in zebrafish when fed a high-fat diet (HFD). The intestinal damage was associated with oxidative stress owing to compromised superoxide dismutase 2 (Sod2) activity. Global lysine propionylation analysis of the intestinal samples showed that Sod2 was propionylated at lysine 132 (K132), and further biochemical assays demonstrated that K132 propionylation suppressed Sod2 activity. In addition, sirtuin 3 (Sirt3) played an important role in regulating Sod2 activity via modulating de-propionylation. Finally, we revealed that intestinal oxidative stress resulting from Sod2 propionylation contributed to compositional change of gut microbiota. Collectively, our results in this study show that there is a link between Sod2 propionylation and oxidative stress in zebrafish intestines and highlight the potential mechanism of intestinal problems associated with high propionate levels.
publishedVersion
2021-10-14T12:57:53Z
2021-10-14T12:57:53Z
2021-08-10T16:21:59Z
2021-06-25
Peer reviewed
Journal article
iScience. 2021, 24 (6), .
urn:issn:2589-0042
https://hdl.handle.net/11250/2823084
https://doi.org/10.1016/j.isci.2021.102515
cristin:1925177
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.no
© 2021 The Authors
application/pdf
Elsevier B.V.
24
24
iScience
6
102515
oai:nibio.brage.unit.no:11250/27347262021-03-23T04:54:47Zcom_11250_92917col_11250_2402941col_11250_286116col_11250_2367607
Eutrofiering av Mjøsa – kartlegging av årsaksforhold og kilder til fosfor i delnedbørfelt: Gausa
Bechmann, Marianne
Thrane, Jan-Erik
Kværnø, Sigrun
Turtumøygard, Stein
Gausa har vært betydelig påvirket av både avløp, husdyrhold og arealavrenning fra jordbruket. Over tid har vannkvaliteten blitt bedre, og den økologiske tilstanden har vært god eller svært god med hensyn til eutrofiering i nedre deler av elva de siste årene. Lokalt i vassdraget er derimot den økologiske tilstanden fortsatt moderat. Beregninger for 2016 viser at hovedkildene til de menneskeskapte tilførslene av fosfor til elva er jordbruk og avløp. Avløp er den største kilden til biotilgjengelig fosfor. Fortsatt opprydding i spredt avløp er derfor det viktigste tiltaket for å bedre vannkvaliteten i elva. Jordbruket i Gausas nedbørfelt er dominert av grasdyrking og husdyrproduksjon. Fosforstatus i dyrket mark er høy og dette medfører risiko for avrenning av fosfor. Redusert fosforgjødsling er et viktig tiltak for å redusere fosforavrenningen fra jordbruksarealene. Konsentrasjoner av E. coli i elva indikerer at avløp eller husdyrgjødsel bidrar til næringsstoffavrenningen og tiltak for disse kildene bør prioriteres. Miljøovervåkingen av Mjøsa, samt algeoppblomstringen i 2019, indikerer at innsjøen ikke tåler særlig større næringsstoffbelastning. Opprettholdelse av god vannkvalitet i Mjøsa er avhengig av målrettede tiltak i de ulike vassdragene som har utløp i Mjøsa. Dette faktaarket omhandler årsaksforhold, kilder og tiltak for redusert fosforavrenning fra nedbørfeltet til Gausa.
publishedVersion
2021-03-22T09:49:31Z
2021-03-22T09:49:31Z
2021-03-19T12:14:33Z
2021-03
Journal article
NIBIO POP. 2021, 7 (12), .
urn:issn:2464-1170
https://hdl.handle.net/11250/2734726
cristin:1899277
nob
NIBIO-pop;7(12) 2021
application/pdf
8
7
NIBIO POP
12
oai:nibio.brage.unit.no:11250/26897242020-11-27T04:54:22Zcom_11250_92917col_11250_2402940col_11250_286115col_11250_2367607
Skjøtselsplan for kystlynghei på Valsøya i Ørland kommune, Trøndelag.
Thorvaldsen, Pål
Velle, Liv Guri
Kulturlandskap
Cultural landscapes
Kystlynghei
Coastal heathlands
VDP::Naturressursforvaltning: 914
VDP::Natural resource management: 914
Skjøtselsplanen gir faglige anbefalinger for restaurering og skjøtsel av naturtypen av den sterkt trua naturtypen kystlynghei på Valsøya i Ørland kommune. Den baserer seg på feltbefaring og intervjuer og er utviklet i samarbeid med grunneieren. Rapporten er delt inn i to hoveddeler. Første del gir en kort beskrivelse av naturtypen basert på faggrunnlaget for handlingsplan for naturtypen. Andre del er rettet mot den som skal utføre skjøtsel og forvaltningen, og omhandler naturgrunnlaget og dagens drift i området, samt beskrivelsen av konkrete restaurerings- og skjøtselstiltak innenfor lokaliteten.
publishedVersion
2020-11-26T10:18:06Z
2020-11-26T10:18:06Z
2020-11-25T07:20:04Z
2020-11
Research report
urn:isbn:978-82-17-02686-0
https://hdl.handle.net/11250/2689724
cristin:1851958
nob
NIBIO Rapport
NIBIO rapport;6(146) 2020
NIBIO - Norsk institutt for bioøkonomi: 52093
application/pdf
NIBIO
40
6
146
oai:nibio.brage.unit.no:11250/30991132023-10-28T03:56:05Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Heterogeneous nutrient supply modulates root exudation and accumulation of medicinally valuable compounds in Artemisia annua and Hypericum perforatum
Heterogeneous nutrient supply modulates root exudation and accumulation of medicinally valuable compounds in Artemisia annua and Hypericum perforatum
Paponov, Martina
Flåte, Juanita
Ziegler, Jörg
Lillo, Cathrine
Paponov, Ivan
Plants have evolved complex mechanisms to adapt to nutrient-deficient environments, including stimulating lateral root proliferation into local soil patches with high nutrient content in response to heterogeneous nutrient distribution. Despite the widespread occurrence of this phenomenon in soil, the effect of heterogeneous nutrient distribution on the accumulation of secondary compounds in plant biomass and their exudation by roots remains largely unknown. This study aims to fill this critical knowledge gap by investigating how deficiency and unequal distributions of nitrogen (N), phosphorus (P), and iron (Fe) affect plant growth and accumulation of the antimalarial drug artemisinin (AN) in leaves and roots of Artemisia annua, as well as AN exudation by roots. Heterogeneous N and P supplies strongly increased root exudation of AN in half of a split-root system exposed to nutrient deficiency. By contrast, exposure to a homogeneous nitrate and phosphate deficiency did not modulate root exudation of AN. This indicates that a combination of local and systemic signals, reflecting low and high nutritional statuses, respectively, were required to enhance AN exudation. This exudation response was independent of the regulation of root hair formation, which was predominantly modulated by the local signal. In contrast to the heterogeneous supply of N and P, heterogeneous Fe supply did not modulate AN root exudation but increased AN accumulation in locally Fe-deficient roots. No modulation of nutrient supply significantly changed the accumulation of AN in A. annua leaves. The impact of a heterogeneous nitrate supply on growth and phytochemical composition was also investigated in Hypericum perforatum plants. Unlike in A. annue, the uneven N supply did not significantly influence the exudation of secondary compounds in the roots of H. perforatum. However, it did enhance the accumulation of several biologically active compounds, such as hypericin, catechin, and rutin isomers, in the leaves of H. perforatum. We propose that the capacity of plants to induce the accumulation and/or differential exudation of secondary compounds under heterogeneous nutrient supply is both species- and compound-specific. The ability to differentially exude AN may contribute to A. annua’s adaptation to nutrient disturbances and modulate allelopathic and symbiotic interactions in the rhizosphere.
publishedVersion
2023-10-27T09:26:55Z
2023-10-27T09:26:55Z
2023-06-30T11:57:58Z
2023-06-02
Peer reviewed
Journal article
Paponov, M., Flate, J., Ziegler, J., Lillo, C., & Paponov, I. A. (2023). Heterogeneous nutrient supply modulates root exudation and accumulation of medicinally valuable compounds in Artemisia annua and Hypericum perforatum. Frontiers in Plant Science, 14.
urn:issn:1664-462X
https://hdl.handle.net/11250/3099113
https://doi.org/10.3389/fpls.2023.1174151
cristin:2159816
eng
Norges forskningsråd: 296377
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2023 Paponov, Flate, Ziegler, Lillo and Paponov
application/pdf
Frontiers Media
14
Frontiers in Plant Science
1174151
oai:nibio.brage.unit.no:11250/31068102023-12-12T04:56:35Zcom_11250_92917col_11250_2402940col_11250_286116col_11250_2367607
Portulakk – en ny grønnsak i Norge?
Portulakk – en ny grønnsak i Norge?
Thomsen, Mette Goul
Portulakk kan være en aktuell grønnsak for dyrking i Norge. Den korte veksttiden gjør at det er mulig å få stor avling på mindre arealer og det er en grønnsak som har et bredt bruksområde.
Portulakk – en ny grønnsak i Norge?
publishedVersion
2023-12-11T10:09:48Z
2023-12-11T10:09:48Z
2023-12-11T09:04:01Z
2023
Journal article
NIBIO POP. 2023, 9 (28), .
urn:issn:2464-1170
https://hdl.handle.net/11250/3106810
cristin:2211487
nob
application/pdf
6
9
NIBIO POP
28
oai:nibio.brage.unit.no:11250/30252852022-10-12T03:55:49Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Do Agricultural Advisory Services in Europe Have the Capacity to Support the Transition to Healthy Soils?
Do Agricultural Advisory Services in Europe Have the Capacity to Support the Transition to Healthy Soils?
Ingram, Julie
Mills, Jane
Black, Jasmine E.
Chivers, Charlotte-Anne
Aznar-Sánchez, José A.
Elsen, Annemie
Frac, Magdalena
López-Felices, Belén
Mayer-Gruner, Paula
Skaalsveen, Kamilla
Stolte, Jannes
Tits, Mia
The need to provide appropriate information, technical advice and facilitation to support farmers in transitioning towards healthy soils is increasingly clear, and the role of the Agricultural Advisory Services (AAS) in this is critical. However, the transformation of AAS (plurality, commercialisation, fragmentation, decentralisation) brings new challenges for delivering advice to support soil health management. This paper asks: To what extent do agricultural advisory services have the capacity to support the transition to healthy soils across Europe? Using the ‘best fit’ framework, analytical characteristics of the AAS relevant to the research question (governance structures, management, organisational and individual capacities) were identified. Analysis of 18 semi-structured expert interviews across 6 case study countries in Europe, selected to represent a range of contexts, was undertaken. Capacities to provide soil health management (SHM) advice are constrained by funding arrangements, limited adviser training and professional development, adviser motivations and professional cultures, all determined by institutional conditions. This has resulted in a narrowing down of access and content of soil advice and a reduced capacity to support the transition in farming to healthy soils. The extent to which emerging policy and market drivers incentivise enhanced capacities in AAS is an important area for future research.
publishedVersion
2022-10-11T08:11:14Z
2022-10-11T08:11:14Z
2022-04-20T09:09:12Z
2022-04-19
Peer reviewed
Journal article
Land. 2022, 11 (5), 1-26.
urn:issn:2073-445X
https://hdl.handle.net/11250/3025285
https://doi.org/10.3390/land11050599
cristin:2017744
eng
EC/H2020/677407
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2022 by the authors
application/pdf
MDPI
1-26
11
Land
5
599
oai:nibio.brage.unit.no:11250/30614212023-04-01T03:56:20Zcom_11250_92917col_11250_2402938col_11250_2402940col_11250_286117col_11250_2503541col_11250_2367607
Hvordan har regelverket for integrert plantevern påvirka bønder?
Hvordan har regelverket for integrert plantevern påvirka bønder?
Kvakkestad, Valborg
Steiro, Åsmund Lægreid
Vatn, Arild
publishedVersion
2023-03-31T11:14:15Z
2023-03-31T11:14:15Z
2023-03-29T10:59:45Z
2022
Others
urn:isbn:978-82-17-02994-6
https://hdl.handle.net/11250/3061421
cristin:2137996
nob
Jord- og Plantekultur 2022 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2021
application/pdf
oai:nibio.brage.unit.no:11250/27380442021-04-17T03:55:12Zcom_11250_92917col_11250_2402940col_11250_286115col_11250_2367607
SusCatt Synthesis report : Productivity, resource efficiency and product quality of forage and grazing based cattle production systems
Butler, Gillian
Flø, Bjørn Egil
Gottardo, Flaviana
Hessle, Anna
Koesling, Matthias
Nadeau, Elisabet
Malisch, Carsten
Riuzzi, Giorgia
Sakowski, Tomasz
Woodhouse, Anna
Walland, Finn
Steinshamn, Håvard
Mjølkekproduksjon
Storfeproduksjon
Driftssystem
Berekraft
SusCatt considered a wide range of innovations or system comparisons in the 6 countries, all aimed to improve sustainability within European cattle farming. On the whole, these involved reducing production intensity, making greater use of home-grown grass and other forage crops on farms – generally with promising results for beef and dairy production when we considered their potential impact across the 3 pillars of sustainability...
publishedVersion
2021-04-16T09:06:50Z
2021-04-16T09:06:50Z
2021-03-26T12:32:31Z
2021-03
Research report
urn:isbn:978-82-17-02811-6
https://hdl.handle.net/11250/2738044
cristin:1901297
eng
NIBIO Rapport
NIBIO-rapport;7(61) 2021
NIBIO - Norsk institutt for bioøkonomi: 10897
application/pdf
NIBIO
22
7
61
oai:nibio.brage.unit.no:11250/27337322021-03-17T04:53:56Zcom_11250_2649622com_11250_2434444com_11250_92917col_11250_2458518
Resin pockets in Norway spruce wood are not caused by the bark beetle Ips typographus
Christiansen, Erik
Kucera, Bohumil
VDP::Landbruks- og Fiskerifag: 900::Landbruksfag: 910::Skogbruk: 915
publishedVersion
2021-03-16T14:38:57Z
2021-03-16T14:38:57Z
1999
Research report
urn:isbn:82-7169-920-2
urn:issn:1500-323x
https://hdl.handle.net/11250/2733732
eng
Rapport fra skogforskningen. Supplement;12/99
application/pdf
Norsk institutt for skogforskning
9
oai:nibio.brage.unit.no:11250/28392252022-01-26T04:54:41Zcom_11250_92917col_11250_2402942col_11250_2367607col_11250_2395173
Prediction of butt rot volume in Norway spruce forest stands using harvester, remotely sensed and environmental data
Räty, Janne
Breidenbach, Johannes
Hauglin, Marius
Astrup, Rasmus Andreas
Butt rot (BR) damage of a tree results from a decay caused by a pathogenic fungus. BR damages associated with Norway spruce (Picea abies [L.] Karst.) account for considerable economic losses in timber production across the northern hemisphere. While information on BR damages is critical for optimal decision-making in forest management, maps of BR damages are typically lacking in forest information systems. Timber volume damaged by BR was predicted at the stand-level in Norway using harvester information of 186,026 stems (clear-cuts), remotely sensed, and environmental data (e.g. climate and terrain characteristics). This study utilized Random Forests models with two sets of predictor variables: (1) predictor variables available after harvest (theoretical case) and (2) predictor variables available prior to harvest (mapping case). Our findings showed that forest attributes characterizing the maturity of forest, such as remote sensing-based height, harvested timber volume and quadratic mean diameter at breast height, were among the most important predictor variables. Remotely sensed predictor variables obtained from airborne laser scanning data and Sentinel-2 imagery were more important than the environmental variables. The theoretical case with a leave-stand-out cross-validation resulted in an RMSE of 11.4 m3 · ha−1 (pseudo-R2: 0.66) whereas the mapping case resulted in a pseudo-R2 of 0.60. When spatially distinct clusters of harvested forest stands were used as units in the cross-validation, the RMSE value and pseudo-R2 associated with the mapping case were 15.6 m3 · ha−1 and 0.37, respectively. The findings associated with the different cross-validation schemes indicated that the knowledge about the BR status of spatially close stands is of high importance for obtaining satisfactory error rates in the mapping of BR damages.
publishedVersion
2022-01-25T12:28:47Z
2022-01-25T12:28:47Z
2021-11-24T13:10:52Z
2021-12-25
Peer reviewed
Journal article
International Journal of Applied Earth Observation and Geoinformation. 2021, 105 1-10.
urn:issn:1569-8432
https://hdl.handle.net/11250/2839225
https://doi.org/10.1016/j.jag.2021.102624
cristin:1958394
eng
Norges forskningsråd: 281140
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 The Author(s)
application/pdf
Elsevier B.V.
1-10
105
International Journal of Applied Earth Observation and Geoinformation
102624
oai:nibio.brage.unit.no:11250/27272232021-02-11T04:54:42Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Identification and distribution of gene clusters required for synthesis of sphingolipid metabolism inhibitors in diverse species of the filamentous fungus Fusarium
Kim, Hye-Seon
Lohmar, Jessica M.
Busman, Mark
Brown, Daren W.
Naumann, Todd A.
Divon, Hege Hvattum
Lysøe, Erik
Uhlig, Silvio
Proctor, Robert H.
Background Sphingolipids are structural components and signaling molecules in eukaryotic membranes, and many organisms produce compounds that inhibit sphingolipid metabolism. Some of the inhibitors are structurally similar to the sphingolipid biosynthetic intermediate sphinganine and are referred to as sphinganine-analog metabolites (SAMs). The mycotoxins fumonisins, which are frequent contaminants in maize, are one family of SAMs. Due to food and feed safety concerns, fumonisin biosynthesis has been investigated extensively, including characterization of the fumonisin biosynthetic gene cluster in the agriculturally important fungi Aspergillus and Fusarium. Production of several other SAMs has also been reported in fungi, but there is almost no information on their biosynthesis. There is also little information on how widely SAM production occurs in fungi or on the extent of structural variation of fungal SAMs. Results Using fumonisin biosynthesis as a model, we predicted that SAM biosynthetic gene clusters in fungi should include a polyketide synthase (PKS), an aminotransferase and a dehydrogenase gene. Surveys of genome sequences identified five putative clusters with this three-gene combination in 92 of 186 Fusarium species examined. Collectively, the putative SAM clusters were distributed widely but discontinuously among the species. We propose that the SAM5 cluster confers production of a previously reported Fusarium SAM, 2-amino-14,16-dimethyloctadecan-3-ol (AOD), based on the occurrence of AOD production only in species with the cluster and on deletion analysis of the SAM5 cluster PKS gene. We also identified SAM clusters in 24 species of other fungal genera, and propose that one of the clusters confers production of sphingofungin, a previously reported Aspergillus SAM. Conclusion Our results provide a genomics approach to identify novel SAM biosynthetic gene clusters in fungi, which should in turn contribute to identification of novel SAMs with applications in medicine and other fields. Information about novel SAMs could also provide insights into the role of SAMs in the ecology of fungi. Such insights have potential to contribute to strategies to reduce fumonisin contamination in crops and to control crop diseases caused by SAM-producing fungi.
publishedVersion
2021-02-10T13:36:38Z
2021-02-10T13:36:38Z
2020-09-24T09:47:28Z
2020-07-23
Peer reviewed
Journal article
BMC Genomics. 2020, 21 .
urn:issn:1471-2164
https://hdl.handle.net/11250/2727223
https://doi.org/10.1186/s12864-020-06896-1
cristin:1832841
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s)
application/pdf
BMC
24
21
BMC Genomics
510
oai:nibio.brage.unit.no:11250/29825832022-03-03T04:55:24Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Microbiome of seven full-scale anaerobic digestion plants in South Korea: Effect of feedstock and operational parameters
Sposob, Michal
Moon, Hee-Sung
Lee, Dongjin
Yun, Yeo-Myeong
In this study, the microbiomes linked with the operational parameters in seven mesophilic full-scale AD plants mainly treating food waste (four plants) and sewage sludge (three plants) were analyzed. The results obtained indicated lower diversity and evenness of the microbial population in sludge digestion (SD) plants compared to food digestion (FD) plants. Candidatus Accumulibacter dominated (up to 42.1%) in SD plants due to microbial immigration from fed secondary sludge (up to 89%). Its potential activity in SD plants was correlated to H2 production, which was related to the dominance of hydrogenotrophic methanogens (Methanococcus). In FD plants, a balance between the hydrogenotrophic and methylotrophic pathways was found, while Flavobacterium and Levilinea played an important role during acidogenesis. Levilinea also expressed sensitivity to ammonia in FD plants. The substantial differences in hydraulic retention time (HRT), organic loading rate (OLR), and total ammonium nitrogen (TAN) among the studied FD plants did not influence the archaeal methane production pathway. In addition, the bacterial genera responsible for acetate production through syntrophy and homoacetogenesis (Smithella, Treponema) were present in all the plants studied.
publishedVersion
2022-03-02T14:14:27Z
2022-03-02T14:14:27Z
2022-01-31T15:44:51Z
2021-01-28
Peer reviewed
Journal article
Energies. 2021, 14 (3), 1-11.
urn:issn:1996-1073
https://hdl.handle.net/11250/2982583
https://doi.org/10.3390/en14030665
cristin:1995163
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
1-11
14
Energies
3
665
oai:nibio.brage.unit.no:11250/28342902021-12-16T04:54:39Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Skjøtselsplan for de nordlige øyene i Hysværet, Vegaøyan verdensarvområde. Slåttemark, kystlynghei og naturbeitemark.
Bär, Annette
Hinderaker, Sven Emil
Carlsen, Thomas
Skjøtsel
Kulturlandskap
Verdensarv
Slåttemark
Kystlynghei
Naturbeitemark
Utarbeidelse av skjøtselsplanen for de nordlige øyene i Hysværet i Vega kommune er utført på oppdrag av Statsforvalteren i Nordland. Skjøtselsplanen gir faglig funderte anbefalinger for skjøtsel av den trua naturtypen slåttemark, kystlynghei og naturbeitemark. Den baserer seg på feltbefaring med avgrensing av naturbase-lokaliteter og intervju med brukeren. Rapporten er delt inn i to hoveddeler. De første kapitlene gir en kort beskrivelse av naturtypene. Kapitlene 4-8 er rettet mot den som skal utføre skjøtsel, og omhandler natur-grunnlaget og dagens drift, samt beskrivelsen av konkrete restaurerings- og skjøtselstiltak innenfor lokaliteten. I vedlegg finnes en beskrivelse av de verdifulle naturtypelokalitetene som inngår i drifta og som er informasjons-grunnlaget for forvaltning, inkludert søkbare egenskaper for lokalitetene i Miljødirektoratets naturbase.
publishedVersion
2021-12-15T06:16:09Z
2021-12-15T06:16:09Z
2021-12-13T09:52:30Z
2021-12
Research report
urn:isbn:978-82-17-02975-5
https://hdl.handle.net/11250/2834290
cristin:1967604
nob
NIBIO Rapport
NIBIO-rapport;7(202) 2021
NIBIO - Norsk institutt for bioøkonomi: 52416
application/pdf
NIBIO
64
7
202
oai:nibio.brage.unit.no:11250/23675872023-03-03T16:45:07Zcom_11250_92917col_11250_286115
Skjøtselsplan for verneområdene i Froan
Bryn, Anders
I arbeidet med forvaltningsplan for verneområdene i Froan, ble det på oppdrag fra Fylkesmannen i Sør-Trøndelag gjennomført naturfaglige registreringer i 2011, som skulle danne grunnlaget for en skjøtselsplan. Alle landarealer innen verneområdene ble vegetasjonskartlagt. Med basis i vegetasjonskartleggingen fra 2011, tidligere vegetasjonskartlegging (2007) og andre registreringer fra Froan, presenterer denne rapporten skjøtselsplanen for de terrestre arealene innen verneområdene i Froan. Sammen med skjøtselsplanen følger 5 temakart.
2015-12-14T08:09:10Z
2015-12-14T08:09:10Z
2015-12-14
Research report
urn:isbn:978-82-17-01494-2
urn:issn:2464-1162
http://hdl.handle.net/11250/2367587
cristin:1302558
nob
NIBIO RAPPORT;Vol. 1 (38)
application/pdf
64 s.
oai:nibio.brage.unit.no:11250/30866662023-10-25T12:56:12Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Investigating phenotypic traits as potential drivers of the emergence of EU_37_A2, an invasive new lineage of Phytophthora infestans in Western Europe
Investigating phenotypic traits as potential drivers of the emergence of EU_37_A2, an invasive new lineage of Phytophthora infestans in Western Europe
Puidet, Britt
Mabon, Romain
Guibert, Michele
Kiiker, Riinu
Loit, Kaire
Le, Vinh Hong
Eikemo, Håvard
Dewaegeneire, Pauline
Saubeau, Guillaume
Chatot, Catherine
Aurousseau, Frédérique
Cooke, David E. L.
Lees, Alison K.
Abuley, Isaac K.
Hansen, Jens G.
Corbière, Roselyne
Leclerc, Melen
Najdabbasi, Neda
Andrivon, Didier
Since the mid-2010s, Phytophthora infestans clones that have been dominant in Western Europe from the beginning of the 21st century, for example, EU_13_A2, EU_6_A1 and EU_1_A1, are being replaced by several other emerging clones, including EU_37_A2. The objective of this study was to determine whether the main drivers for the success of EU_37_A2 in Western Europe are associated with decreased fungicide sensitivity, increased virulence and/or aggressiveness. Axenic P. infestans cultures were sampled in the 2016 and 2017 growing seasons from potato crops in France and the United Kingdom. Amongst these, four genotypes were identified: EU_37_A2, EU_13_A2, EU_1_A1 and EU_6_A1. Although a wide range of fluazinam sensitivity was found amongst individual isolates, clonal lines EU_13_A2 and EU_37_A2 showed decreased sensitivity to fluazinam. EU_37_A2 overcame the R5 differential cultivar more often than isolates of EU_1_A1 or EU_6_A1. However, this does not explain the competitive advantage of EU_37_A2 over the virulent EU_13_A2. The fittest genotype, as measured by aggressiveness under controlled conditions, was EU_6_A1, followed by EU_37_A2, EU_13_A2 and then EU_1_A1. EU_37_A2 isolates also showed a shorter latent period than either EU_6_A1 or EU_13_A2, which could favour its long-term persistence. Overall, the data suggest that the emergence of EU_37_A2 in Western Europe was driven by its resistance to a then-major fungicide and shorter generation time. This conclusion is further supported by the fact that EU_37_A2 emergence was slowed by the progressive reduction in the use of fluazinam as a single active ingredient in the years following its initial detection.
acceptedVersion
2023-08-31T13:12:49Z
2023-08-31T13:12:49Z
2023-05-04T14:02:49Z
2023-01-17
Peer reviewed
Journal article
Plant Pathology. 2023, 72 (4), 797-806.
urn:issn:0032-0862
https://hdl.handle.net/11250/3086666
https://doi.org/10.1111/ppa.13700
cristin:2145537
eng
Norges forskningsråd: 259826
© 2023 British Society for Plant Pathology
application/pdf
British Society for Plant Pathology
797-806
72
Plant Pathology
4
oai:nibio.brage.unit.no:11250/28344062021-12-16T04:54:40Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Dynamics of dormancy regulation in ‘Sonata’ strawberry and its relation to flowering and runnering
Sønsteby, Anita
Heide, Ola M.
Background Dormancy regulation in strawberry is a dynamic process that is causally interrelated with regulation of flowering. Interference between the two processes is therefore possible. Methods We studied dormancy control and its relation to flowering and runner formation in ‘Sonata’ strawberry under daylight phytotron conditions. Growth and flowering were observed in plants pretreated for 5 or 10 weeks at 10-h SD and 18-h LD at 6 and 18 ℃ and subsequently forced in a greenhouse in LD at 20 ℃ with and without previous chilling for 6 weeks at 2 ℃ in darkness. Results SD induced constrained leaf and inflorescence growth at both 6 and 18 ℃, while the typical strawberry semi-dormant condition was attained only by exposure to SD at 18 ℃ for 10 weeks, which also completely blocked runner formation. The constrained leaf and inflorescence growth observed in plants grown in SD at 18 ℃ were partially reversed by 6 weeks of chilling and gradually overcome in successively emerging leaves. While plants grown in LD at 18 ℃ for 10 weeks remained vegetative under subsequent forcing, they unexpectedly initiated flowers when subjected to chilling in darkness for 6 weeks before the forcing. Conclusions SD exposure at 18 ℃ constrained leaf and inflorescence growth in ‘Sonata’ strawberry, and when applied for 10 weeks, it induced the persistent semi-dormant state that is typical for strawberry. Transient growth constraints were also induced at 6 ℃ in both SD and LD, while the semi-dormant state was only attained by SD at the higher temperature. Flowering in complete darkness, which is known in both SD and LD plants, did also take place in ‘Sonata’ strawberry in response to chilling in the dark at 2 ℃ for 6 weeks. While the potential impact of the phenomenon seems limited for regulation of flowering in strawberry, we conclude that chilling in the dark at near-freezing temperature may substantially enhance flowering in marginally induced strawberry plants.
publishedVersion
2021-12-15T11:39:36Z
2021-12-15T11:39:36Z
2021-01-28T15:27:27Z
2021-01-22
Journal article
Sønsteby, A., & Heide, O. M. (2021). Dynamics of dormancy regulation in “Sonata” strawberry and its relation to flowering and runnering. CABI Agriculture and Bioscience, 2(1).
urn:issn:2662-4044
https://hdl.handle.net/11250/2834406
https://doi.org/10.1186/s43170-021-00026-x
cristin:1881432
eng
EC/H2020/679303
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s) 2021
application/pdf
BMC
2
CABI Agriculture and Bioscience
4
oai:nibio.brage.unit.no:11250/25604052023-03-03T16:13:06Zcom_11250_92917com_11250_2649622com_11250_2434444col_11250_2367607col_11250_2560277
Pathogenicity of some Ips typographus-associated blue-stain fungi to Norway spruce
Solheim, Halvor
To test the pathogenicity of Ips typographus-associated fungi to Norway spruce, trees were inoculated with four species, Ophiostoma polonicum, O. bicolor, O. penicillltum and Graphium sp. Trees inoculated with the three Ophiostoma species produced strong hypersensitive responses in the phloem and exuded more resin than did the control trees. Only O. polonicum was able to invade the sapwood and consequently able to kill trees. Inoculation with Graphium sp. gave the same response as inoculation with the control.
publishedVersion
2018-08-31T14:40:42Z
2018-08-31T14:40:42Z
2018-08-31T16:19:49Z
1988-10
Research report
urn:isbn:82-7169-450-2
http://hdl.handle.net/11250/2560405
cristin:1605946
eng
Meddelelser fra Skogforsk
Meddelelser fra Norsk institutt for skogforskning;40.14
application/pdf
Norsk institutt for skogforskning
11
40.14
oai:nibio.brage.unit.no:11250/27608712021-06-24T03:54:52Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Assessing critical load exceedances and ecosystem impacts of anthropogenic nitrogen and sulphur deposition at unmanaged forested catchments in Europe
Forsius, Martin
Posch, Maximilian
Holmberg, Maria
Vuorenmaa, Jussi
Kleemola, Sirpa
Augustaitis, Algirdas
Beudert, Burkhard
Bochenek, Witold
Clarke, Nicholas
de Wit, Heleen
Dirnböck, Thomas
Frey, Jane
Grandin, Ulf
Hakola, Hannele
Kobler, Johannes
Krám, Pavel
Lindroos, Antti-Jussi
Löfgren, Stefan
Pecka, Tomasz
Rönnback, Pernilla
Skotak, Krzysztof
Szpikowski, Józef
Ukonmaanaho, Liisa
Valinia, Salar
Váňa, Milan
Anthropogenic emissions of nitrogen (N) and sulphur (S) compounds and their long-range transport have caused widespread negative impacts on different ecosystems. Critical loads (CLs) are deposition thresholds used to describe the sensitivity of ecosystems to atmospheric deposition. The CL methodology has been a key science-based tool for assessing the environmental consequences of air pollution. We computed CLs for eutrophication and acidification using a European long-term dataset of intensively studied forested ecosystem sites (n = 17) in northern and central Europe. The sites belong to the ICP IM and eLTER networks. The link between the site-specific calculations and time-series of CL exceedances and measured site data was evaluated using long-term measurements (1990–2017) for bulk deposition, throughfall and runoff water chemistry. Novel techniques for presenting exceedances of CLs and their temporal development were also developed. Concentrations and fluxes of sulphate, total inorganic nitrogen (TIN) and acidity in deposition substantially decreased at the sites. Decreases in S deposition resulted in statistically significant decreased concentrations and fluxes of sulphate in runoff and decreasing trends of TIN in runoff were more common than increasing trends. The temporal developments of the exceedance of the CLs indicated the more effective reductions of S deposition compared to N at the sites. There was a relation between calculated exceedance of the CLs and measured runoff water concentrations and fluxes, and most sites with higher CL exceedances showed larger decreases in both TIN and H+ concentrations and fluxes. Sites with higher cumulative exceedance of eutrophication CLs (averaged over 3 and 30 years) generally showed higher TIN concentrations in runoff. The results provided evidence on the link between CL exceedances and empirical impacts, increasing confidence in the methodology used for the European-scale CL calculations. The results also confirm that emission abatement actions are having their intended effects on CL exceedances and ecosystem impacts.
publishedVersion
2021-06-23T11:43:10Z
2021-06-23T11:43:10Z
2020-09-25T14:01:55Z
2021-01-20
Peer reviewed
Journal article
Science of the Total Environment. 2021, 753 .
urn:issn:0048-9697
https://hdl.handle.net/11250/2760871
https://doi.org/10.1016/j.scitotenv.2020.141791
cristin:1833502
eng
EC/H2020/871128
Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.no
© 2020 The Author(s)
application/pdf
Elsevier B.V.
12
753
Science of the Total Environment
141791
oai:nibio.brage.unit.no:11250/27341122021-03-19T04:53:58Zcom_11250_92917col_11250_2402941col_11250_2367607col_11250_2395173
Phosphorus retention, erosion protection and farmers’ perceptions of riparian buffer zones with grass and natural vegetation: Case studies from South-Eastern Norway
Blankenberg, Anne-Grete Buseth
Skarbøvik, Eva
Næringsstoffer
Nutrients
Buffersone
Buffer zone
Erosjon og vannkvalitet
Erosion and water quality
VDP::Matematikk og naturvitenskap: 400
VDP::Mathematics and natural scienses: 400
Phosphorus retention and bank erosion was investigated in two types of buffer zones in cereal fields in Norway: zones used for grass production and zones with natural vegetation. Farmers’ views on the two types of buffer zones were collected through questionnaires and indepth interviews. Our results indicate that the grassed buffer zones had higher levels of plant-available phosphorus and lower infiltration rates than the natural ones. Bank erosion was higher in zones with grass production than those with trees. Interviews with farmers revealed diverging opinions on the zones. Most farmers were sceptical to natural vegetation with trees, whereas farmers who had already planted trees in the riparian zones were generally satisfied. Buffer zones can have many different functions, and we conclude that a holistic approach is needed when assessing the usefulness of this measure, taking into account water quality, biodiversity and the production of food, fodder and biomass.
publishedVersion
2021-03-18T09:53:19Z
2021-03-18T09:53:19Z
2020-10-19T15:28:07Z
2020-09-15
Peer reviewed
Journal article
Ambio. 2020, 49 (11), 1838-1849.
urn:issn:0044-7447
https://hdl.handle.net/11250/2734112
https://doi.org/10.1007/s13280-020-01361-5
cristin:1840604
eng
https://www.nibio.no/nyheter/sustainable-bioeconomy-vital-for-freshwater-resources?locationfilter=true
Nordforsk: 82263
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© The Author(s) 2020
application/pdf
Springer Nature
1838-1849
49
Ambio
11
oai:nibio.brage.unit.no:11250/28370582022-01-13T04:54:29Zcom_11250_92917col_11250_2503541col_11250_2367607
Vekstregulering og delt vårgjødsling ved frøavl av engsvingel
Havstad, Lars T.
Øverland, John Ingar
Sundsdal, Kristine
Knudsen, Geir
publishedVersion
2022-01-12T10:02:28Z
2022-01-12T10:02:28Z
2021-11-19T10:27:10Z
2021
Chapter
urn:isbn:978-82-17-02735-5
urn:issn:2464-1189
https://hdl.handle.net/11250/2837058
cristin:1956287
nob
Jord- og plantekultur 2021 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2020
NIBIO Bok;7(1)2021
application/pdf
NIBIO
200-206
oai:nibio.brage.unit.no:11250/27380462021-04-17T03:55:14Zcom_11250_92917col_11250_2402939col_11250_286115col_11250_2367607
Avlingsøkning i korn ved drenering
Hauge, Atle
Haukås, Torbjørn
Berger, Marius
Drenering
Avling
Korn
Kornproduksjon
publishedVersion
2021-04-16T09:12:21Z
2021-04-16T09:12:21Z
2020-09-30T12:21:25Z
2020-12
Research report
urn:isbn:978-82-17-02593-1
https://hdl.handle.net/11250/2738046
cristin:1835528
nob
NIBIO Rapport
NIBIO-rapport;6(78) 2020
Norges forskningsråd: 280354
application/pdf
NIBIO
15
6
78
oai:nibio.brage.unit.no:11250/30819262023-08-01T03:56:30Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Site-Specific Seed Yield Prediction of Red Fescue (Festuca rubra L.) Based on Drone Imaging and Local Regression Models
Site-Specific Seed Yield Prediction of Red Fescue (Festuca rubra L.) Based on Drone Imaging and Local Regression Models
Andreasen, Christian
Rasmussen, Jesper
Bitarafan, Zahra
Yield maps give farmers information about growth conditions and can be a tool for sitespecific crop management. Combine harvesters may provide farmers with detailed yield maps if there is a constant flow of a certain amount of biomass through the yield sensor. This is unachievable for grass seeds because the weight of the intake is generally too small to record the variation. Therefore, there is a need to find another way to make grass seed yield maps. We studied seed yield variation in two red fescue (Festuca rubra) fields with variation in management and soil fertility, respectively. We estimated five vegetation indices (VI) based on RGB images taken from a drone to describe yield variation, and trained prediction models based on relatively few harvested plots. Only results from the VI showing the strongest correlation between the index and the yield are presented (Normalized Excess Green Index (ExG) and Normalized Green/Red Difference Index (NGRDI)). The study indicates that it is possible to predict the yield variation in a grass field based on relatively few harvested plots, provided the plots represent contrasting yield levels. The prediction errors in yield (RMSE) ranged from 171 kg ha-1 to 231 kg ha-1, with no clear influence of the size of the training data set. Using random selection of plots instead of selecting plots representing contrasting yield levels resulted in slightly better predictions when evaluated on an average of ten random selections. However, using random selection of plots came with a risk of poor predictions due to the occasional lack of correlation between yield and VI. The exact timing of unmanned aerial vehicles (UAVs) image capture showed to be unimportant in the weeks before harvest.
publishedVersion
2023-07-31T10:19:40Z
2023-07-31T10:19:40Z
2023-05-04T13:53:51Z
2023-01-20
Peer reviewed
Journal article
urn:issn:2073-4395
https://hdl.handle.net/11250/3081926
https://doi.org/10.3390/agronomy13020316
cristin:2145527
eng
© 2023 by the authors
application/pdf
MDPI
13
Agronomy
2
316
oai:nibio.brage.unit.no:11250/29807012022-02-23T04:54:54Zcom_11250_92917col_11250_2402939col_11250_286115col_11250_2367607
Utredning av avlingssviktordningen
Rustad, Lars Johan
Bakken, Anne Kjersti
Lågbu, Roar
Höglind, Mats
Steinshamn, Håvard
Svendgård-Stokke, Siri
Engavling
Avlingssvikt
Denne rapporten er en del av kunnskapsgrunnlaget ved fastsetting av tilskudd ved avlingssvikt i eng. Registrerte engavlinger har vært stabile etter 2014, med unntak for tørkeåret 2018. Kommuneinndelingen er endret i deler av landet, og det er laget tilråding for avlingsklasser for de nye kommunene. Å bruke gjeldende soner for AK-tilskudd som grunnlag for normavlinger frarådes fordi variasjonen innen hver sone er for stor. Med AK-soner som enhet ville det for eksempel ikke ha blitt differensiert mellom normalavlinger i kystkommunene i Vestland, fjellbygdene i Innlandet og store deler av Agder. En vurdering av forsøk med økologisk grovfôrproduksjon på Apelsvoll og Kvithamar tilsier at avlingsnivået da blir ca. 75 prosent av konvensjonell avling. Normavlinger for innmarksbeite har vi lite grunnlag til å foreslå fordi kvaliteten og avlingsnivået på innmarksbeitene varierer mye innenfor relativt små geografiske områder. Til slutt er det gitt en orientering om at de nye egnethetskartene for gras i framtiden kan bli et verktøy for å bestemme normalavling i gras for jordsmonnskartlagte områder.
publishedVersion
2022-02-22T09:04:02Z
2022-02-22T09:04:02Z
2022-02-21T14:06:12Z
2021-12
Research report
urn:isbn:978-82-17-02951-9
https://hdl.handle.net/11250/2980701
cristin:2004144
nob
NIBIO Rapport
NIBIO-rapport;7(180) 2021
NIBIO - Norsk institutt for bioøkonomi: 52521
application/pdf
NIBIO
36
7
180
oai:nibio.brage.unit.no:11250/27384282021-04-20T03:54:18Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
E16 Bjørum-Skaret - Forundersøkelser av vannkvalitet og biologi 2018-2020
Skrutvold, Johanna
Roseth, Roger
Øritsland Våge, Kristine
Aasestad, Ingar
Økologisk tilstand vannforekomster
Forundersøkelser
På oppdrag fra Statens vegvesen har NIBIO gjennomført forundersøkelser i vannforekomster som kan bli påvirket av anleggsaktivitet i forbindelse med bygging av ny E16 på strekningen Bjørum – Skaret i Bærum og Hole kommune. Undersøkelsene har omfattet biologiske kvalitetsparametere og vannkjemi, med beskrivelse av økologisk og kjemisk tilstand. Automatiske sensormålinger har dokumentert naturlige variasjoner i vannkvalitet og vannføring gjennom året. Undersøkelsene har omfattet 15 stasjoner i bekker og elver, samt to stasjoner i Holsfjorden. For innsjøstasjonene i Holsfjorden ble det utført månedlig prøvetaking av planteplankton og vannkvalitet i perioden mai – oktober. Det ble også tatt prøver av dyreplankton og utført automatiske målinger av vannkvalitet gjennom vannprofilen.
publishedVersion
2021-04-19T14:20:06Z
2021-04-19T14:20:06Z
2021-04-19T15:12:44Z
2021-04
Research report
urn:isbn:978-82-17-02832-1
https://hdl.handle.net/11250/2738428
cristin:1905124
nob
NIBIO Rapport
NIBIO-rapport;7(82) 2021
NIBIO - Norsk institutt for bioøkonomi: 10625-18
application/pdf
NIBIO
108
7
82
oai:nibio.brage.unit.no:11250/29789662022-02-16T04:54:27Zcom_11250_92917col_11250_2402939col_11250_2367607col_11250_2395173
Benchmarking plant diversity of Palaearctic grasslands and other open habitats
Biurrun, Idoia
Pielech, Remigiusz
Dembicz, Iwona
Gillet, François
Kozub, Łukasz
Marcenó, Corrado
Reitalu, Triin
Van Meerbeek, Koenraad
Guarino, Riccardo
Chytrý, Milan
Pakeman, Robin J
Preislerová, Zdenka
Axmanová, Irena
Burrascano, Sabina
Bartha, Sándor
Boch, Steffen
Bruun, Hans Henrik
Conradi, Timo
De Frenne, Pieter
Essl, Franz
Filibeck, Goffredo
Hájek, Michal
Jiménez-Alfaro, Borja
Kuzemko, Anna
Molnár, Zsolt
Pärtel, Meelis
Pätsch, Ricarda
Prentice, Honor C.
Roleček, Jan
Sutcliffe, Laura M. E.
Terzi, Massimo
Winkler, Manuela
Wu, Jianshuang
Acíc, Svetlana
Acosta, Alicia T.R.
Afif, Elias
Akasaka, Munemitsu
Alatalo, Juha M.
Aleffi, Michele
Aleksanyan, Alla
Ali, Arshad
Apostolova, Iva
Ashouri, Parvaneh
Bátori, Zoltán
Baumann, Esther
Becker, Thomas
Belonovskaya, Elena
Benito Alonso, José Luis
Berastegi, Asun
Bergamini, Ariel
Bhatta, Kuber Prasad
Bonini, Ilaria
Büchler, Marc-Olivier
Budzhak, Vasyl
Bueno, Alvaro
Buldrini, Fabrizio
Campos, Juan Antonio
Cancellieri, Laura
Carboni, Marta
Ceulemans, Tobias
Chiarucci, Alessandro
Chocarro, Cristina
Conti, Luisa
Csergő, Anna Mária
Cykowska-Marzencka, Beata
Czarniecka-Wiera, Marta
Czarnocka-Cieciura, Marta
Czortek, Patryk
Danihelka, Jiří
de Bello, Francesco
Deák, Balázs
Demeter, László
Deng, Lei
Diekmann, Martin
Doležal, Jiří
Dolnik, Christian
Dřevojan, Pavel
Duprè, Cecilia
Ecker, Klaus
Ejtehadi, Hamid
Erschbamer, Brigitta
Etayo, Javier
Etzold, Jonathan
Farkas, Tünde
Farzam, Mohammad
Fayvush, George
Calzado, Maria Rosa Fernández
Finckh, Manfred
Fjellstad, Wendy Jane
Fotiadis, Georgios
García-Magro, Daniel
García-Mijangos, Itziar
Gavilán, Rosario G.
Germany, Markus
Ghafari, Sahar
Giusso del Galdo, Gian Pietro
Grytnes, John Arvid
Güler, Behlul
Gutiérrez-Girón, Alba
Helm, Aveliina
Herrera, Mercedes
Hüllbusch, Elisabeth M.
Ingerpuu, Nele
Jagerbrand, Annika
Jandt, Ute
Janišová, Monika
Jeanneret, Philippe
Jeltsch, Florian
Jensen, Kai
Jentsch, Anke
Kącki, Zygmunt
Kakinuma, Kaoru
Kapfer, Jutta
Kargar, Mansoureh
Kelemen, András
Kiehl, Kathrin
Kirschner, Philipp
Koyama, Asuka
Langer, Nancy
Lazzaro, Lorenzo
Lepš, Jan
Li, Ching-Feng
Yonghong Li, Frank
Liendo, Diego
Lindborg, Regina
Löbel, Swantje
Lomba, Angela
Lososová, Zdeňka
Lustyk, Pavel
Luzuriaga, Arantzazu L.
Ma, Wenhong
Maccherini, Simona
Magnes, Martin
Malicki, Marek
Manthey, Michael
Mardari, Constantin
May, Felix
Mayrhofer, Helmut
Meier, Eliane S.
Memariani, Farshid
Merunková, Kristina
Michelsen, Ottar
Mesa, Joaquín Molero
Moradi, Halime
Moysiyenko, Ivan
Mugnai, Michele
Naqinezhad, Alireza
Natcheva, Rayna
Ninot, Josep M.
Nobis, Marcin
Noroozi, Jalil
Nowak, Arkadiusz
Onipchenko, Vladimir
Palpurina, Salza
Pauli, Harald
Pedashenko, Hristo
Pedersen, Christian
Peet, Robert K.
Pérez-Haase, Aaron
Peters, Jan
Pipenbaher, Nataša
Pirini, Chrisoula
Pladevall-Izard, Eulàlia
Plesková, Zuzana
Potenza, Giovanna
Rahmanian, Soroor
Rodríguez-Rojo, Maria Pilar
Ronkin, Vladimir
Rosati, Leonardo
Ruprecht, Eszter
Rusina, Solvita
Sabovljević, Marko
Sanaei, Anvar
Sánchez, Ana M.
Santi, Francesco
Savchenko, Galina
Sebastia, Maria Teresa
Shyriaieva, Dariia
Silva, Vasco
Skornik, Sonja
Šmerdová, Eva
Sonkoly, Judit
Sperandii, Marta Gaia
Staniaszek-Kik, Monika
Stevens, Carly
Stifter, Simon
Suchrow, Sigrid
Swacha, Grzegorz
Świerszcz, Sebastian
Talebi, Amir
Teleki, Balázs
Tichý, Lubomír
Tölgyesi, Csaba
Torca, Marta
Török, Péter
Tsarevskaya, Nadezda
Tsiripidis, Ioannis
Turisová, Ingrid
Ushimaru, Atushi
Valkó, Orsolya
Van Mechelen, Carmen
Vanneste, Thomas
Vasheniak, Iuliia
Vassilev, Kiril
Viciani, Daniele
Villar, Luis
Virtanen, Risto
Vitasović-Kosić, Ivana
Vojtkó, András
Vynokurov, Denys
Waldén, Emelie
Wang, Yun
Weiser, Frank
Wen, Lu
Wesche, Karsten
White, Hannah
Widmer, Stefan
Wolfrum, Sebastian
Wróbel, Anna
Yuan, Zuoqiang
Zelený, David
Zhao, Liqing
Dengler, Jürgen
Aims Understanding fine-grain diversity patterns across large spatial extents is fundamental for macroecological research and biodiversity conservation. Using the GrassPlot database, we provide benchmarks of fine-grain richness values of Palaearctic open habitats for vascular plants, bryophytes, lichens and complete vegetation (i.e., the sum of the former three groups). Location Palaearctic biogeographic realm. Methods We used 126,524 plots of eight standard grain sizes from the GrassPlot database: 0.0001, 0.001, 0.01, 0.1, 1, 10, 100 and 1,000 m2 and calculated the mean richness and standard deviations, as well as maximum, minimum, median, and first and third quartiles for each combination of grain size, taxonomic group, biome, region, vegetation type and phytosociological class. Results Patterns of plant diversity in vegetation types and biomes differ across grain sizes and taxonomic groups. Overall, secondary (mostly semi-natural) grasslands and natural grasslands are the richest vegetation type. The open-access file ”GrassPlot Diversity Benchmarks” and the web tool “GrassPlot Diversity Explorer” are now available online (https://edgg.org/databases/GrasslandDiversityExplorer) and provide more insights into species richness patterns in the Palaearctic open habitats. Conclusions The GrassPlot Diversity Benchmarks provide high-quality data on species richness in open habitat types across the Palaearctic. These benchmark data can be used in vegetation ecology, macroecology, biodiversity conservation and data quality checking. While the amount of data in the underlying GrassPlot database and their spatial coverage are smaller than in other extensive vegetation-plot databases, species recordings in GrassPlot are on average more complete, making it a valuable complementary data source in macroecology.
publishedVersion
2022-02-15T08:43:25Z
2022-02-15T08:43:25Z
2021-11-15T13:35:10Z
2021-06-22
Peer reviewed
Journal article
Journal of Vegetation Science (JVS). 2021, 32 (4), .
urn:issn:1100-9233
https://hdl.handle.net/11250/2978966
https://doi.org/10.1111/jvs.13050
cristin:1954672
eng
Norges forskningsråd: 194051
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 The Authors
application/pdf
John Wiley & Sons Ltd on behalf of International Association for Vegetation Science
21
32
Journal of Vegetation Science (JVS)
4
e13050
oai:nibio.brage.unit.no:11250/30551342023-03-02T04:56:03Zcom_11250_92917col_11250_2402942col_11250_2367607col_11250_2395173
Agricultural grasslands buffer density effects in red deer populations
Agricultural grasslands buffer density effects in red deer populations
Mysterud, Atle
Langvatn, Rolf
Meisingset, Erling L.
Rivrud, Inger Maren
Population densities of several cervid species have increased in recent decades in North America and Europe, and cervids frequently eat and damage agricultural crops. Competition and depletion of natural food resources are the main mechanisms for the density-dependent decline in vital rates of large herbivores. The extent to which access to agricultural crops can buffer density effects in cervid populations, however, is unknown. Agricultural grasslands cover more than a third of the European agricultural area, and red deer (Cervus elaphus) use these grasslands in many European countries. Over the past few decades, such grasslands have been subject to management intensification (with renewal and fertilization) in some areas and abandonment (no longer being harvested) in other areas. We used generalized linear mixed-effects models to examine the development of body masses of red deer in Norway during a period of population density increase in 16 local management units with different availability of cultivated grasslands (0.87–6.44%) in a region with active management of grasslands (Tingvoll, n = 5,780, 2000–2019) and a region with ongoing abandonment (Hitra, n = 10,598, 2007–2020). There was a consistent decline in the body mass of red deer linked to increased population density in both regions. A higher proportion of agricultural grassland was linked to higher body mass and lower density effects in both sexes and across all age classes. There is a link between body mass, survival, and reproduction. Therefore, the buffering of density effects of access to agricultural crops will fuel cervid population growth and lead to less natural regulation of abundance, making it more difficult to control dense cervid populations by harvesting.
publishedVersion
2023-03-01T17:04:13Z
2023-03-01T17:04:13Z
2023-01-13T13:03:07Z
2022-12-29
Peer reviewed
Journal article
Journal of Wildlife Management. 2022, .
urn:issn:0022-541X
https://hdl.handle.net/11250/3055134
https://doi.org/10.1002/jwmg.22357
cristin:2106555
eng
Norges forskningsråd: 318575
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2022 The Authors
application/pdf
Wiley Periodicals LLC on behalf of The Wildlife Society
14
Journal of Wildlife Management
e22357
oai:nibio.brage.unit.no:11250/28240382021-10-21T03:54:57Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
Trait characterization of genetic resources reveals useful variation for the improvement of cultivated Nordic red clover
Zanotto, Stefano
Palmé, Anna
Helgadóttir, Áslaug
Daugstad, Kristin
Isolahti, Mika
Öhlund, Linda
Marum, Petter
Moen, Maria Ahlin
Veteläinen, Merja
Rognli, Odd Arne
Ergon, Åshild
Red clover (Trifolium pratense L.) is the most important forage legume in the Nordic region, but its utilization is limited by poor persistency. The improvement of cultivated red clover can potentially take advantage of the numerous wild populations and landraces conserved in gene banks; however, there is often limited information available on the phenotypic and genetic characteristics of this material. We characterized 48 populations conserved at NordGen for a number of traits and compared them to commercial cultivars. The material was evaluated in field trials at four locations over two years and in an experiment under controlled conditions. Considerable variation was identified, with stem length, growth type and flowering date having the highest broad sense heritabilities. Traits related to plant size were strongly associated with late flowering and upright growth and differed between landraces/cultivars on the one hand and wild populations on the other. There was a large genotype by environment interaction on winter survival, which only partially correlated with freezing tolerance under controlled conditions. A majority of gene bank accessions exceeded the commercial cultivars in winter survival and freezing tolerance and can therefore be a genetic resource for future improvement of these traits. The phenotypic variation among accessions was associated with two main axes of climatic variation at the collection site. Petiole length of young plants under controlled conditions as well as plant size in the field increased with increasing summer temperature and decreasing summer precipitation, while number of leaves and an apparent vernalization requirement, recorded under controlled conditions, increased with decreasing annual and winter temperature. We discuss the implications these results have for collection, conservation and utilization of red clover genetic resources in the Nordic region.
publishedVersion
2021-10-20T09:02:51Z
2021-10-20T09:02:51Z
2021-07-01T09:28:16Z
2021-03-20
Peer reviewed
Journal article
Journal of Agronomy and Crop Science. 2021, 207 (3), 492-503.
urn:issn:0931-2250
https://hdl.handle.net/11250/2824038
https://doi.org/10.1111/jac.12487
cristin:1919739
eng
Nordisk ministerråd: Arctic Co-operation Programme
Andre: Nansenfondet
Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.no
© 2021 The Authors
application/pdf
John Wiley & Sons Ltd.
492-503
207
Journal of Agronomy and Crop Science
3
oai:nibio.brage.unit.no:11250/26718002020-08-14T03:55:57Zcom_11250_92917com_11250_2649622com_11250_2434444col_11250_2367607col_11250_2462056
Kontroll av foryngelsesfelt i perioden 1995-2005
Ludahl, Anette
Nygaard, Per Holm
VDP::Skogbruk: 915
VDP::Forestry: 915
Tall fra Landsskogtakseringen viser at tilveksten i norske skoger aldri har vært så høy som nå siden registreringene startet i 1919 (Skogstatistikk 2005). Dette skyldes først og fremst stor planteaktivitet fra etterkrigsårene og frem til begynnelsen av 70-tallet. Etter dette har antall solgte planter fra norske planteskoler sunket gradvis. Dagens situasjon har vist at norsk industri er avhengig av tilgang på norsk virke og at en ikke kan basere seg på import av tømmer på lang sikt (Vennesland et al. 2006). Arealet som forynges naturlig har økt relativt med ca. 6% i løpet av kontrollperioden, og det kan tyde på at en del av plantearealet har blitt erstattet med naturlig foryngelse, muligens fordi naturlig foryngelse blir ansett å være mer miljøtilpasset enn planting. På 33 % av det arealet som forynges naturlig, er det behov for tiltak for å oppnå tilfredsstillende foryngelse. I tillegg kommer arealet ikke tilrettelagt som har ligget på ca. 20 % i perioden.
publishedVersion
2020-08-13T07:06:22Z
2020-08-13T07:06:22Z
2018-08-08T14:38:01Z
2007
Others
urn:isbn:978-82-311-0023-2
https://hdl.handle.net/11250/2671800
cristin:1600511
nob
Foryngelse for et bærekraftig skogbruk
application/pdf
7-9
oai:nibio.brage.unit.no:11250/30625092023-04-13T03:55:06Zcom_11250_92917col_11250_2402940col_11250_286117col_11250_2367607
Storskalaforsøk med utprøving av ulike strategier med vårpussing og vekstregulering i frøeng av ‘Gandalf’ rødkløver
Storskalaforsøk med utprøving av ulike strategier med vårpussing og vekstregulering i frøeng av ‘Gandalf’ rødkløver
Havstad, Lars T.
Øverland, John Ingar
Erøy, Åsmund
Moen, Victoria Stornes
publishedVersion
publishedVersion
2023-04-12T07:24:36Z
2023-04-12T07:24:36Z
2023-01-06T20:10:33Z
2022
Journal article
NIBIO Bok. 2022, 8 (2), 202-205.
urn:issn:2464-1189
https://hdl.handle.net/11250/3062509
cristin:2102365
mis
http://froavl.no/sok/PDF/2022/0/1020.pdf
Fondet for forskningsavgift på landbruksprodukter: 294982
application/pdf
202-205
8
NIBIO Bok
2
oai:nibio.brage.unit.no:11250/27638612021-07-09T03:57:53Zcom_11250_92917col_11250_2402938col_11250_286115col_11250_2367607
Biologisk veiledningsprøving 2020. Ugrasmidler
Wærnhus, Kjell
Berge, Therese W.
Christiansen, Agnethe
Fløistad, Inger
Kaczmarek-Derda, Wiktoria Anna
Tørresen, Kirsten
Aamlid, Trygve
Ugras
Weeds
Herbicider
VDP::Planteforedling, hagebruk, plantevern, plantepatologi: 911
VDP::Plant breeding, horticulture, plant protection, plant pathology: 911
I denne rapporten presenteres resultater fra biologisk veiledningsprøving av ugrasmidler i gras- og kløverfrøeng, vår- og høstkorn, åkerbønne, potet, blomkål, gulrot under plast og på friland, rotpersille og jordbær.
publishedVersion
2021-07-08T07:47:46Z
2021-07-08T07:47:46Z
2021-07-07T12:25:24Z
2021-07
Research report
urn:isbn:978-82-17-02780-5
https://hdl.handle.net/11250/2763861
cristin:1920679
nob
NIBIO Rapport
NIBIO-rapport;7(32) 2021
NIBIO - Norsk institutt for bioøkonomi: 1110053 og 8389
application/pdf
NIBIO
178
7
32
oai:nibio.brage.unit.no:11250/27572172021-06-02T03:54:00Zcom_11250_92917col_11250_2503541col_11250_2367607
Høst- og vårgjødsling i økologisk timoteifrøeng
Havstad, Lars T.
Øverland, John I.
Knudsen, Geir
Sundsdal, Kristine
Susort, Åge
publishedVersion
2021-06-01T11:24:30Z
2021-06-01T11:24:30Z
2021-01-04T18:34:43Z
2020
Chapter
urn:isbn:978-82-17-02481-1
urn:issn:2464-1189
https://hdl.handle.net/11250/2757217
cristin:1865178
mis
Jord- og plantekultur 2020 Forsøk i korn, olje- og belgvekster, engfrøavl og potet 2019
NIBIO Bok;6 (1) 2020
application/pdf
NIBIO
195-199
oai:nibio.brage.unit.no:11250/29789572022-02-16T04:54:28Zcom_11250_92917col_11250_2402940col_11250_2367607col_11250_2395173
SSR-based analysis of genetic diversity and structure of sweet cherry (Prunus avium L.) from 19 countries in Europe
Barreneche, Teresa
de la Concepción, Maria Cárcamo
Blouin-Delmas, Marine
Ordidge, Matthew
Nybom, Hilde
Lacis, Gunars
Feldmane, Daina
Sedlak, Jiri
Meland, Mekjell
Kaldmae, Hedi
Kahu, Kersti
Bekefi, Zsuzsanna
Stanivukovic, Sanda
Đurić, Gordana
Høfer, Monika
Galik, Martin
Schüller, Elisabeth
Spornberger, Andreas
Sirbu, Sorina
Drogoudi, Pavlina
Agulheiro-Santos, Ana Christina
Kodad, Ossama
Vokurka, Ales
Lateur, Marc
Fernandez, Felicidad Fernandez
Giovannini, Daniela
Quero-García, José
Sweet cherry (Prunus avium L.) is a temperate fruit species whose production might be highly impacted by climate change in the near future. Diversity of plant material could be an option to mitigate these climate risks by enabling producers to have new cultivars well adapted to new environmental conditions. In this study, subsets of sweet cherry collections of 19 European countries were genotyped using 14 SSR. The objectives of this study were (i) to assess genetic diversity parameters, (ii) to estimate the levels of population structure, and (iii) to identify germplasm redundancies. A total of 314 accessions, including landraces, early selections, and modern cultivars, were monitored, and 220 unique SSR genotypes were identified. All 14 loci were confirmed to be polymorphic, and a total of 137 alleles were detected with a mean of 9.8 alleles per locus. The average number of alleles (N = 9.8), PIC value (0.658), observed heterozygosity (Ho = 0.71), and expected heterozygosity (He = 0.70) were higher in this study compared to values reported so far. Four ancestral populations were detected using STRUCTURE software and confirmed by Principal Coordinate Analysis (PCoA), and two of them (K1 and K4) could be attributed to the geographical origin of the accessions. A N-J tree grouped the 220 sweet cherry accessions within three main clusters and six subgroups. Accessions belonging to the four STRUCTURE populations roughly clustered together. Clustering confirmed known genealogical data for several accessions. The large genetic diversity of the collection was demonstrated, in particular within the landrace pool, justifying the efforts made over decades for their conservation. New sources of diversity will allow producers to face challenges, such as climate change and the need to develop more sustainable production systems.
publishedVersion
2022-02-15T08:32:49Z
2022-02-15T08:32:49Z
2021-11-28T22:09:14Z
2021-09-23
Peer reviewed
Journal article
Plants. 2021, 10 (10), .
urn:issn:2223-7747
https://hdl.handle.net/11250/2978957
https://doi.org/10.3390/plants10101983
cristin:1960442
eng
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 by the authors
application/pdf
MDPI, Basel, Switzerland
17
10
Plants
10
1983
oai:nibio.brage.unit.no:11250/29770092022-02-05T04:54:18Zcom_11250_92917col_11250_2402939col_11250_286115col_11250_2367607
Økonomien i jordbruket i Nord-Norge 2020
Hansen, Øyvind
Driftsgranskingsresultat
Nord-Norge
Rapporten tar for seg viktige økonomiske utviklingstrekk for gårdsbruk i Nord-Norge. Tallgrunnlaget er basert på 111 driftsregnskap for 2020 fra gårdsbruk i landsdelen som var med i NIBIOs årlige «Driftsgranskinger i jord- og skogbruk». Gjennomsnittsbruket økte lønnsomheten med 7 prosent. Vederlag for alt arbeid og egenkapital per årsverk var i gjennomsnitt kr 339 300. Men for sauekjøttproduksjon ble inntektene redusert.
publishedVersion
2022-02-04T06:43:51Z
2022-02-04T06:43:51Z
2022-02-02T13:28:49Z
2022-02
Research report
urn:isbn:978-82-17-03013-3
https://hdl.handle.net/11250/2977009
cristin:1996957
nob
NIBIO Rapport
NIBIO-rapport;8(21) 2022
NIBIO - Norsk institutt for bioøkonomi: 14306
application/pdf
NIBIO
86
8
21
oai:nibio.brage.unit.no:11250/30820712023-08-02T04:03:35Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Distribution and Prolonged Diapause of the Rowan Seed Predators Argyresthia conjugella (Lepidoptera: Yponomeutidae) and Megastigmus brevicaudis (Hymenoptera: Torymidae) and their Parasitoids in Norway
Distribution and Prolonged Diapause of the Rowan Seed Predators Argyresthia conjugella (Lepidoptera: Yponomeutidae) and Megastigmus brevicaudis (Hymenoptera: Torymidae) and their Parasitoids in Norway
Trandem, Nina
Westrum, Karin
Hofsvang, Trond
Kobro, Sverre
The seed predator Argyresthia conjugella Zeller has rowan as its preferred host plant. In years of poor fruiting in rowan, it oviposits on apples. To improve the knowledge of this apple pest, rowanberries were collected from localities all over Norway from 1971 to 1985, and seed predators and their parasitoids were allowed to emerge for up to five years. Two species of seed predators, A. conjugella and Megastimus brevicaudis Ratzeburg, and seven species of parasitic Hymenoptera were common. The distribution of these species is shown on EIS (European Invertebrate Survey) maps of Norway. The biology of the parasitoids is summarized based on the published literature and their behavior during emergence. The tendency for delayed emergence, which is an indication of prolonged diapause, was more pronounced in M. brevicaudis than in A. conjugella, the former appearing in all five years. Five of the parasitoids also delayed their emergence, and three of them to a high degree, up to five years. Prolonged diapause must be taken into account in studies of rowanberry insect guilds.
publishedVersion
2023-08-01T08:53:10Z
2023-08-01T08:53:10Z
2023-05-25T13:49:15Z
2023-04-20
Peer reviewed
Journal article
urn:issn:1999-4907
https://hdl.handle.net/11250/3082071
https://doi.org/10.3390/f14040847
cristin:2149278
eng
© 2023 by the authors
application/pdf
MDPI
14
Forests
4
847
oai:nibio.brage.unit.no:11250/27351972021-03-25T04:53:56Zcom_11250_92917col_11250_2402940col_11250_286115col_11250_2367607
Testing new apple cultivars for Norwegian growing conditions
Frøynes, Oddmund
Kviklys, Darius
Meland, Mekjell
Malus domestica Borkh.
Sortar
Blomstringstider
Avling
Fruktstorleik
NIBIO Ullensvang har i perioden 2012-2019 gjennomført rettleiingsprøving av samla 11 eplesortar og -seleksjonar. Føremålet var å skaffa norske fruktdyrkarar sortar som gjev stor avling med kvalitetsfrukt og er tilpassa det norske klimaet. Sortane vart poda på den svaktveksande grunnstamma M9. Pomologiske karakterar og fruktkvalitet vart vurderte og detaljert informasjon om dei ulike sortane er gjeve i denne rapporten. Sortane Asfari og Elstar Boerekamp Excellent- Star® vert tilrådde til kommersiell fruktdyrking. Sorten Tiara kan dyrkast til jus og som dekorasjonsfrukt sidan den har raudt fruktkjøt. Sorten Pinova bør prøvast vidare. På grunn av svak fruktkvalitet og sein modning er fylgjande sortar og utval ikkje tilrådde for dyrking under norske tilhøve: 1/05, 58/06, A 75, Galmac, Jugala, Crimson Crisp og Elshof.
publishedVersion
2021-03-24T07:11:39Z
2021-03-24T07:11:39Z
2021-03-22T09:18:32Z
2021-03
Research report
urn:isbn:978-82-17-02794-2
https://hdl.handle.net/11250/2735197
cristin:1899749
eng
NIBIO Rapport
NIBIO-rapport;7(44) 2021
NIBIO - Norsk institutt for bioøkonomi: 120040.144
application/pdf
NIBIO
30
7
44
oai:nibio.brage.unit.no:11250/27647902021-07-20T03:53:57Zcom_11250_92917col_11250_2402938col_11250_2367607col_11250_2395173
Semiochemicals and habitat manipulation to support green lacewing activity to reduce aphid infestations in agroecosystems
Thöming, Gunda
Knudsen, Geir
Conservation biological control (CBC) is a promising tool for ecological intensification that aims to establish resilient natural enemy populations that contribute to pest management with reduced use of pesticides and at the same time support native biodiversity in agroecosystems. Yet the impact of natural enemies in CBC is often limited due to missing resources such as food, habitat, and hibernation shelters. Here, we studied a CBC strategy that incorporates these essential resources combined with semiochemicals, focusing on how the common green lacewing can enhance biological control of aphids. In a 4-year field study conducted at three locations in the region of East Norway, we developed a CBC strategy combining the three measures ATTRACT (a ternary attractant that increase lacewing egg laying), FOOD (floral buffer strips), and SHELTER (insect hotels for overwintering survival) to increase aphid biological control in spring barley. We recorded the number of lacewings, ladybirds, hoverflies, parasitized aphid mummies, and the two cereal aphid species Sitobion avenae and Rhopalosiphum padi. Our CBC strategy resulted in a significant increase in lacewing activity and significant aphid suppression. At all three locations and over the 4-year period, aphid infestation was below the economic damage threshold in the field plots using CBC measures. In contrast, during two of the years, the density of the aphid infestation in the control plots was significantly above the damage threshold. We found evidence that use of the ternary attractant supported green lacewings but led to loss of ladybirds, hoverflies, and parasitoids, even though flower strips were used as alternative resources. Our study shows a promising increase in lacewing activity in the agricultural landscape and high biological control of aphids in barley. Long-term field studies are needed to evaluate the impact on non-target species and the agroecosystem before practical application of this approach can be considered.
publishedVersion
2021-07-19T13:52:46Z
2021-07-19T13:52:46Z
2021-04-07T21:42:11Z
2021-03
Peer reviewed
Journal article
Basic and Applied Ecology. 2021, 51 30-42.
urn:issn:1439-1791
https://hdl.handle.net/11250/2764790
https://doi.org/10.1016/j.baae.2021.01.004
cristin:1902863
eng
Norges forskningsråd: 244526
Navngivelse 4.0 Internasjonal
http://creativecommons.org/licenses/by/4.0/deed.no
© 2021 The Author(s).
application/pdf
Elsevier GmbH
30-42
51
Basic and Applied Ecology
oai:nibio.brage.unit.no:11250/28249682021-11-09T09:06:44Zcom_11250_92917col_11250_2402939col_11250_286116col_11250_2367607
Beitedyras geografi
Aune-Lundberg, Linda
Munsterhjelm, Nicolai
Fjellstad, Wendy Jane
Dramstad, Wenche
I perioden 2003–2018 har det kun skjedd mindre endringer i det totale antallet sau og storfe som beiter i norsk utmark. Men når vi ser nærmere på hvor i landet dyrene er, finner vi at det har skjedd store endringer i den geografiske fordelingen av dyr på utmarksbeite. Dette kan blant annet ha mye å si for vegetasjon og dyreliv i utmarka.
publishedVersion
2021-10-22T10:40:59Z
2021-10-22T10:40:59Z
2021-10-21T11:29:30Z
2021-10
Journal article
NIBIO POP. 2021, 7 (25), .
urn:issn:2464-1170
https://hdl.handle.net/11250/2824968
cristin:1947534
nob
NIBIO-pop;7(25) 2021
application/pdf
4
7
NIBIO POP
25
oai:nibio.brage.unit.no:11250/31185502024-02-21T05:02:41Zcom_11250_92917col_11250_2402939col_11250_286116col_11250_2367607
Luvisol
Luvisol
Svendgård-Stokke, Siri
Kok, Nora Hua Ly
Luvisol er selvdrenert og leirholdig jordsmonn, der leirinnholdet øker med dybden på grunn av leirnedvasking. Dette er ei jord som er svært godt egnet for plantedyrking.
Luvisol
publishedVersion
2024-02-20T07:49:26Z
2024-02-20T07:49:26Z
2024-02-19T15:16:33Z
2024
Journal article
NIBIO POP. 2024, 10 (11), .
urn:issn:2464-1170
https://hdl.handle.net/11250/3118550
cristin:2247683
nob
application/pdf
2
10
NIBIO POP
11
oai:nibio.brage.unit.no:11250/30908332023-09-21T03:56:29Zcom_11250_92917col_11250_2402941col_11250_286115col_11250_2367607
Planlegging av fangdammer på Lundberg og Engelsrud - Detaljprosjektering av rensedammer for avrenning
Planlegging av fangdammer på Lundberg og Engelsrud - Detaljprosjektering av rensedammer for avrenning
Jayesingha, Monica
Barneveld, Robert
I forbindelse med nydyrking på eiendom med bruksnummer og gårdsnummer 163/5 og 163/11 i Nes kommune er NIBIO engasjert for å planlegge og prosjektere fangdammer som skal rense avrenningsvann fra landbruksområdet som drenerer til bekken Drogga. Målet med anleggelsen av fangdammer er å minimere avrenning, forurensingseffekt og flompåvirkning på Drogga. Planlegging og detaljprosjektering av fangdammene er gjort med hensyn til nedbørsfeltet, terreng og perioder med flom. Det er prosjektert tre fangdammer, to sedimentasjonsdammer og sedimentasjonsdam med våtmarksfilter. Fangdamsystemet følger et søkk i terrenget hvor vannet naturlig drenerer mot. Sedimentasjonsdammene har areal på 1,9 og 1,2 daa og sedimentasjonsdammen med våtmarksfilter har et areal på 1 daa. Dette gir et samlet fangdamareal på 4,1 daa som oppfyller anbefaling om størrelse på fangdamareal i forhold til tilførende areal for avrenning.
Planlegging av fangdammer på Lundberg og Engelsrud - Detaljprosjektering av rensedammer for avrenning
publishedVersion
2023-09-20T12:43:11Z
2023-09-20T12:43:11Z
2023-09-20T14:15:26Z
2023
Research report
urn:isbn:978-82-17-03350-9
https://hdl.handle.net/11250/3090833
cristin:2177154
nob
NIBIO Rapport
NIBIO Rapport
application/pdf
NIBIO
16
9
113
oai:nibio.brage.unit.no:11250/27227722021-01-14T04:53:47Zcom_11250_92917col_11250_2402940col_11250_286116col_11250_2367607
Krossensilering av korn
Frøseth, Randi Berland
Adler, Steffen Andreas
de Boer, Anne
Dyrking av korn til krossensilering kan gjere det mogleg å verte meir sjølvforsynt med kraftfôr for husdyrprodusentar som har god tilgang på areal. Haustetida er nokre veker før korn til fullmodning. Metoden er derfor også aktuell i meir marginale område for korndyrking. Krossensilasje kan også produserast i korndistrikta for å spreie onnearbeidet, betre utnyttinga av utstyr, få tid til å etablere ein ny vekst om hausten eller vere ein metode for å berge ei kornavling etter sein våronn eller ein åker med ujamn modning. Ved krossing vert dei fuktige kornkjernane knust mellom to valsar for så å verte ensilert. Fram til tresking er sjølve dyrkingsteknikken for korn til krossensilering i prinsippet som for korn til fullmodning. Her tek vi føre oss aktuelle artar, haustetidspunkt, metode for krossensilering og fôring med krossensilasje.
publishedVersion
2021-01-13T12:26:52Z
2021-01-13T12:26:52Z
2021-01-08T17:52:00Z
2020-12
Journal article
NIBIO POP. 2020, 6 (50), .
urn:issn:2464-1170
https://hdl.handle.net/11250/2722772
cristin:1868028
nno
NIBIO-pop;6(50) 2020
application/pdf
6
6
NIBIO POP
50
oai_dc/2020-01-01T00:00:00Z///100