Divisjon for skog og utmark: Nye registreringer
Viser treff 281-300 av 521
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Tilstand og utvikling i skog 2002-2017 for noen utvalgte miljøegenskaper
(NIBIO-rapport;6(133) 2020, Research report, 2020-12)Denne rapporten belyser utviklingstrekk for utvalgte skogegenskaper, hovedsakelig for perioden 2002-2017, basert på data fra Landsskogtakseringen. Dette er utviklingstrekk som reflekterer hvordan norsk skogbruk praktiseres ... -
A sensor-fusion-system for tracking sheep location and behaviour
(Peer reviewed; Journal article, 2020-05-13)The growing interest in precision livestock farming is prompted by a desire to understand the basic behavioural needs of the animals and optimize the contribution of each animal. The aim of this study was to develop a ... -
A Mini-Review of Ixodes Ticks Climate Sensitive Infection Dispersion Risk in the Nordic Region
(Peer reviewed; Journal article, 2020-07-27)Climate change in the Nordic countries is projected to lead to both wetter and warmer seasons. This, in combination with associated vegetation changes and increased animal migration, increases the potential incidence of ... -
Effects of elevation-dependent climate warming on intra- and inter-specific growth synchrony in mixed mountain forests
(Peer reviewed; Journal article, 2020-09-19)Spruce-fir-beech mixed forests cover a large area in European mountain regions, with high ecological and socio-economic importance. As elevation-zone systems they are highly affected by climate change, which is modifying ... -
The accuracy and precision of age determination by dental cementum annuli in four northern cervids
(Peer reviewed; Journal article, 2020-10-23)Individual age is an important element in models of population demographics, but the limitations of the methods used for age determination are not always clear. We used known-age data from moose (Alces alces), red deer ... -
Subalpine fir (abies laciocarpa) and Norway spruce (picea abies) seedlings show different growth responses to blue light
(Peer reviewed; Journal article, 2020-05-15)Blue light (BL) affects different growth parameters, but information about the physiological effects of BL on conifer seedlings is limited. In northern areas, conifer seedlings are commonly produced in heated nursery ... -
Vurdering av FKT-ordningen
(NIBIO-rapport;6(130) 2020, Research report, 2020-12)Denne rapporten gir en vurdering av hvorvidt praktiseringen av Forskrift om tilskudd til forebyggende tiltak mot rovviltskader og konfliktdempende tiltak (FKT-forskriften) har god måloppnåelse, om den kan realiseres på en ... -
Estimation of Forest Growing Stock Volume with UAV Laser Scanning Data: Can It Be Done without Field Data?
(Peer reviewed; Journal article, 2020-04-14)Laser scanning data from unmanned aerial vehicles (UAV-LS) offer new opportunities to estimate forest growing stock volume ( V ) exclusively based on the UAV-LS data. We propose a method to measure tree attributes and using ... -
Etablering av fritidsbebyggelse på Myklenesåsen, Senja kommune – konsekvenser for reindriftsnæringen
(NIBIO-rapport;6(160) 2020, Research report, 2020-12)Foreliggende rapport er tilleggsutredning av konsekvensene for reindriftsnæringen ved eventuell etablering av hyttefelt på Myklenesåsen, Senja kommune. -
The taxonomic significance of ddRADseq based microsatellite markers in the closely related species of Heracleum (Apiaceae)
(Peer reviewed; Journal article, 2020-05-07)Many studies on Heracleum have shown poor correspondence between observed molecular clusters and established taxonomic classification amongst closely related species. This might reflect both unresolved taxonomy but perhaps ... -
On the knowns and unknowns of natural regeneration of silviculturally managed sessile oak (Quercus petraea (Matt.) Liebl.) forests—a literature review
(Peer reviewed; Journal article, 2020-10-15)Key message This literature review identified the main factors for the success of different silvicultural approaches to regenerate sessile oak naturally and unveiled at the same time important knowledge gaps. Most previous ... -
Mapping forest age using National Forest Inventory, airborne laser scanning, and Sentinel-2 data
(Peer reviewed; Journal article, 2020-11-10)Background The age of forest stands is critical information for forest management and conservation, for example for growth modelling, timing of management activities and harvesting, or decisions about protection areas. ... -
Effekt av skytestøy på atferd og produksjon hos husdyr. Undersøkelser rundt forsvarets artilleristandplass 40 km i Elverum
(NIBIO-rapport;6(164) 2020, Research report, 2020-12)Forsvaret har behov for standplass for testskyting av langdistanseartilleri over 40 km. Denne typen artilleri forårsaker en del støy. Uforutsett og plutselig støy kan forårsake sterke adferdsreaksjoner hos husdyr og over ... -
Individmerking i reindriften – muligheter og utfordringer
(NIBIO-rapport;6(157) 2020, Research report, 2020-12)Innføring av obligatorisk individmerking av tamrein i Norge ble vedtatt av Stortinget 13. juni 2019. NIBIO har i denne rapporten belyst hvilke merkemetoder for individmerking som finnes på markedet i dag og hvordan disse ... -
Rødrev – en underestimert tapsårsak for lam
(NIBIO-pop;6(44) 2020, Journal article, 2020-12)Dette faktaarket setter fokus på kunnskapen vi har om rødrev som skadevolder på lam i Norge. Tapsomfanget til rødrev varierer mellom områder og år, og kan variere mellom enkeltbruk fra ingen eller liten, til en vanlig tapsårsak. -
Varied diets, including broadleaved forage, are important for a large herbivore species inhabiting highly modified landscapes
(Peer reviewed; Journal article, 2020-02-05)Diet quality is an important determinant of animal survival and reproduction, and can be described as the combination of different food items ingested, and their nutritional composition. For large herbivores, human landscape ... -
The invasive forest pathogen Hymenoscyphus fraxineus boosts mortality and triggers niche replacement of European ash (Fraxinus excelsior)
(Peer reviewed; Journal article, 2020-03-24)Determining the impacts of invasive pathogens on tree mortality and growth is a difficult task, in particular in the case of species occurring naturally at low frequencies in mixed stands. In this study, we quantify such ... -
Klimakur 2030 – beskrivelse av utvalgte klimatiltak knyttet til skog. Supplement.
(NIBIO rapport;6(153) 2020, Research report, 2020-11)Det årlige netto opptaket i skogen i Norge økte frem til 2009 (over 35 mill. tonn), og har etter det vist en avtakende trend. I 2018 var det et netto opptak på i underkant av 28 millioner tonn CO2- ekvivalenter. Størrelsen ... -
Trebasert karbonlagring i bygningsmasse
(NIBIO rapport;6(148) 2020, Research report, 2020-11)Råstoff fra skog er en viktig brikke for det grønne skiftet i Norge. Trebaserte bygningsmaterialer edfører som hovedregel lave utslipp i produksjonen og bidrar dessuten til lagring av karbon i et byggs levetid. Hvis ... -
Evaluating the terrestrial carbon dioxide removal potential of improved forest management and accelerated forest conversion in Norway
(Peer reviewed; Journal article, 2020-06-19)As a carbon dioxide removal measure, the Norwegian government is currently considering a policy of large-scale planting of spruce (Picea abies (L) H. Karst) on lands in various states of natural transition to a forest ...