Divisjon for skog og utmark: Nye registreringer

Viser treff 301-320 av 521

    • 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. (Peer reviewed; Journal article, 2019-10-30)
      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 ...

    • Modelling above-ground biomass stock over Norway using national forest inventory data with ArcticDEM and Sentinel-2 data 

      Puliti, Stefano; Hauglin, Marius; Breidenbach, Johannes; Montesano, P.; Neigh, C.S.R.; Rahlf, Johannes; Solberg, Svein; Klingenberg, T. F.; Astrup, Rasmus Andreas (Peer reviewed; Journal article, 2019-11-07)
      Boreal forests constitute a large portion of the global forest area, yet they are undersampled through field surveys, and only a few remotely sensed data sources provide structural information wall-to-wall throughout the ...

    • Leachability and Decay Resistance of Wood Polyesterified with Sorbitol and Citric Acid 

      Beck, Greeley (Peer reviewed; Journal article, 2020-06-06)
      Research Highlights: Polyesterification of wood with sorbitol and citric acid (SCA) increases decay resistance against brown-rot and white-rot fungi without reducing cell wall moisture content but the SCA polymer is susceptible ...

    • Molecular underpinnings of methyl jasmonate‐induced resistance in Norway spruce 

      Magerøy, Melissa; Wilkinson, Samuel W.; Tengs, Torstein; Cross, Hugh; Almvik, Marit; Petriacq, Pierre; Vivian-Smith, Adam; Zhao, Tao; Fossdal, Carl Gunnar; Krokene, Paal (Peer reviewed; Journal article, 2020-04-22)
      In response to various stimuli, plants acquire resistance against pests and/or pathogens. Such acquired or induced resistance allows plants to rapidly adapt to their environment. Spraying the bark of mature Norway spruce ...

    • Comparison of estimators of variance for forest inventories with systematic sampling - results from artificial populations 

      Magnussen, Steen; McRoberts, Ronald E.; Breidenbach, Johannes; Nord-Larsen, Thomas; Ståhl, Göran; Fehrmann, Lutz; Schnell, Sebastian (Peer reviewed; Journal article, 2020-03-23)
      Background: Large area forest inventories often use regular grids (with a single random start) of sample locations to ensure a uniform sampling intensity across the space of the surveyed populations. A design-unbiased ...

    • Undersøkelse av elvemuslingforekomster i Grense Jakobselv 2020. 

      Aspholm, Paul Eric; Jensen, Hallvard; Klöckener, Helena; Schulze, Birk; Klutsch, Cornelya (NIBIO rapport;6(131) 2020, Research report, 2020-10)
      Grense Jakobselv ble undersøkt fra Lasarudskulpen og oppstrøms til grensemerke 312 høsten 2020 for forekomster av elvemusling. Det ble registrert 470 elvemusling like ovenfor Larauskulpen på et begrenset område. Ingen ...

    • Transcriptome profiling and in silico detection of the antimicrobial peptides of red king crab Paralithodes camtschaticus 

      Yakovlev, Igor; Lysøe, Erik; Heldal, Inger; Steen, Hege; Hagen, Snorre; Clarke, Jihong Liu (Peer reviewed; Journal article, 2020-07-29)
      Endogenous antimicrobial peptides (AMPs) are evolutionarily ancient factors of innate immunity, which are produced by all multicellular organisms and play a key role in their protection against infection. Red king crab ...

    • Postharvest needle retention in Norway spruce Christmas trees 

      Pettersson, Martin; Talgø, Venche; Johnskås, Odd Ragnar; Skage, Jan-Ole; Torp, Torfinn; Fløistad, Inger (Peer reviewed; Journal article, 2020-07-22)
      Norway spruce (Picea abies) is a widely used Christmas tree species in the Nordic countries. Postharvest needle retention is an important characteristic for Christmas trees and compared to many fir (Abies) species, Norway ...

    • Greenhouse gas emissions from digestate in soil 

      Dietrich, Maria; Fongen, Monica; Føreid, Bente (Peer reviewed; Journal article, 2020-03-11)
      Purpose Biogas residues, digestates, contain valuable nutrients and are therefore suitable as agricultural fertilizers. However, the application of fertilizers, including digestates, can enhance greenhouse gas (GHG) ...

    • Deforestation and Connectivity among Protected Areas of Tanzania 

      Gizachew, Belachew; Rizzi, Jonathan; Shirima, Deo D.; Zahabu, Eliakimu (Peer reviewed; Journal article, 2020)
      Protected Areas (PAs) in Tanzania had been established originally for the goal of habitat, landscape and biodiversity conservation. However, human activities such as agricultural expansion and wood harvesting pose challenges ...

    • Patterns of Carbon Sequestration in a Young Forest Ecosystem after Clear-Cutting 

      Rebane, Sille; Jõgiste, Kalev; Kiviste, Andres; Stanturf, John A.; Metslaid, Marek (Peer reviewed; Journal article, 2020-01-21)
      A large area of Estonian hemiboreal forest is recovering from clear-cut harvesting and changing carbon (C) balance of the stands. However, there is a lack of information about C- source/sink relationships during recovery ...

    • Anti-resistensstrategi: skadedyr i vårkorn 

      Beachell, Andreas Myki; Folkedal, Annette; Johansen, Nina S; Strand, Einar (NIBIO POP;6(36) 2020, Journal article, 2020-10)
      Alle skadedyr kan utvikle resistens mot kjemiske midler dersom det sprøytes for ensidig og ofte. Dette temaarket gir informasjon om hvordan risikoen for resistens kan reduseres hos de viktigste skadedyrene i vårkorn (bygg, ...

    • Macrobiological Degradation of Esterified Wood with Sorbitol and Citric Acid 

      Treu, Andreas; Nunes, Lina; Larnøy, Erik (Peer reviewed; Journal article, 2020-07-19)
      There is a need for new solutions in wood protection against marine wood borers and termites in Europe. A new solution could be the esterification of wood with sorbitol and citric acid (SCA) since these are inexpensive and ...

    • AUTOMATED UPDATING OF FOREST COVER MAPS FROM CLOUD-FREE SENTINEL-2 MOSAIC IMAGES USING OBJECT-BASED IMAGE ANALYSIS AND MACHINE LEARNING METHODS 

      Debella-Gilo, Misganu; Borchsenius, Bjørn Tobias; Bjørkelo, Knut; Breidenbach, Johannes (Peer reviewed; Journal article, 2020-08-03)
      Planning sustainable use of land resources and environmental monitoring benefit from accurate and detailed forest information. The basis of accurate forest information is data on the spatial extent of forests. In Norway ...

    • Naturlig utbredelse av gran i Norge 

      Øyen, Bernt-Håvard; Nygaard, Per Holm (NIBIO rapport;6(111) 2020, Research report, 2020-09)
      Litteratur som omhandler utbredelsen til vanlig gran (Picea abies L. Karst.) i Norge er analysert. Rapporten presenterer et nytt utbredelseskart for spontan gran i Norge hvor forekomster i ytterkanten av hovedområdene ...

    • Klimatiltak i landbruket i Trondheim kommune 

      Søgaard, Gunnhild; Bardalen, Arne; Walland, Finn; O'Toole, Adam; Belbo, Helmer; Fjellstad, Kjersti Bakkebø; Hanssen, Kjersti; Hietala, Ari Mikko (NIBIO Rapport;6(103) 2020, Research report, 2020-08)
      Rapporten gir en oversikt over klimatiltak for landbruket i Trondheim, både for jord- og skogbruk. Vi ser på potensialet for utslippsreduksjoner, muligheter for karbonlagring, klimarisiko og klimatilpasning. Verdiskaping ...

    • Utprøving av reinvarslingssystem på E6 over Saltfjellet. Vinteren 2019/2020. 

      Hansen, Inger; Eilertsen, Svein; Karlsson, Johannes (NIBIO Rapport;6(77) 2020, Research report, 2020-05)
      Påkjørsel av tamrein og andre beitedyr er et stadig økende problem på vei og bane i Norden og Europa før øvrig grunnet økende trafikk og større hastighet. I Norge har mer enn 3000 tamrein blitt påkjørt av tog de siste 10 ...

    • Diplodia sapinea – en ny skadegjører på furu 

      Pettersson, Martin; Fløistad, Inger; Børja, Isabella; Hietala, Ari Mikko; Talgø, Venche (NIBIO POP;6(24) 2020, Journal article, 2020-05)
      Soppen Diplodia sapinea er en nylig oppdaget skadegjører på furu i Norge og andre nordiske land. Soppen kan skade både frø, småplanter og større trær. Soppen er relativt varmekjær og har tidligere stort sett gjort skade ...

    • DNA-overvåkning av brunbjørn i Karasjok 2019 ved bruk av hårfeller 

      Fløystad, Ida; Aspholm, Paul Eric; Aslaksen Anti, Per John; Eira, Per Anders; Eira, Ann Maret; Bakke, Beate Banken; Søvik, Inger; Rushfeldt, Beddari, Vilde; Hagen, Snorre; Eiken, Hans Geir (NIBIO Rapport;6(76) 2020, Research report, 2020-05)
      DNA-overvåkning av brunbjørn i et 400 km2 stort område nær Karasjok i Finnmark ble utført med hårfeller med luktstoff i 2 måneder fra juni til august i 2019. Vi brukte et 5 x 5 km rutesystem med 16 ruter med én hårfelle i ...

    • «Animal Sense» – elektronisk reinvarsling Lavkost-teknologi skal forhindre dyrepåkjørsler 

      Jørgensen, Grete Helen Meisfjord; Hansen, Inger; Eilertsen, Svein; Karlsson, J (NIBIO POP;6(25) 2020, Journal article, 2020-05)
      Når vilt, tamrein og husdyr skal krysse vei og jernbane, skjer ikke det alltid med et lykkelig resultat. I Europa har dyrepåkjørsler økt de siste 40 årene. I tillegg til å være et alvorlig velferdsproblem for dyr og ...