Blar i Divisjon for skog og utmark på utgivelsesdato

Viser treff 321-340 av 522

    • Modelling the Material Resistance of Wood—Part 3: Relative Resistance in above- and in-Ground Situations—Results of a Global Survey 

      Brischke, Christian; Alfredsen, Gry; Humar, Miha; Conti, Elena; Cookson, Laurie; Emmerich, Lukas; Flæte, Per-Otto; Fortino, Stefania; Francis, Lesley; Hundhausen, Ulrich; Irbe, Ilze; Jacobs, Kordula; Klamer, Morten; Krzisnik, Davor; Lesar, Bostjan; Melcher, Eckhard; Meyer-Veltrup, Linda; Morrell, Jeffrey; Norton, Jack; Palanti, Sabrina; Presley, Gerald; Reinprecht, Ladislav; Singh, Tripti; Stirling, Rod; Venalainen, Martti; Westin, Mats; Wong, Andrew; Suttie, Ed (Peer reviewed; Journal article, 2021-05-08)
      Durability-based designs with timber require reliable information about the wood properties and how they affect its performance under variable exposure conditions. This study aimed at utilizing a material resistance model ...

    • The microRNA response associated with methyl jasmonate-induced resistance in Norway spruce bark 

      Wilkinson, Samuel; Vivian-Smith, Adam; Krokene, Paal; Magerøy, Melissa (Peer reviewed; Journal article, 2021-05-15)
      Methyl jasmonate (MeJA) treatment elicits induced resistance (IR) against pests and diseases in Norway spruce (Picea abies). We recently demonstrated using mRNA-seq that this MeJA-IR is associated with both a prolonged ...

    • Applications of DEA and SFA in benchmarking studies in forestry: state-of-the-art and future directions 

      Strange, Niels; Bogetoft, Peter; Ottaviani Aalmo, Giovanna; Talbot, Bruce; Holt, Anders Holm; Astrup, Rasmus Andreas (Peer reviewed; Journal article, 2021-05-17)
      The forestry sector is constantly looking for ways for making data-driven decisions and improving efficiency. The application of Data Envelopment Analysis (DEA) and Stochastic Frontier Analysis (SFA) allow the users to go ...

    • Timber volume estimation based on airborne laser scanning — comparing the use of national forest inventory and forest management inventory data 

      Rahlf, Johannes; Hauglin, Marius; Astrup, Rasmus Andreas; Breidenbach, Johannes (Peer reviewed; Journal article, 2021-05-17)
      Key message Large-scale forest resource maps based on national forest inventory (NFI) data and airborne laser scanning may facilitate synergies between NFIs and forest management inventories (FMIs). A comparison of models ...

    • Lignification and cell wall thickening of ray parenchyma cells in Scots pine sapwood 

      Zimmer, Katrin; Treu, Andreas (Peer reviewed; Journal article, 2021-05-26)
      Scots pine exhibits variations in ray anatomy, which are poorly understood. Some ray parenchyma cells develop thick and lignified cell walls before heartwood formation. We hypothesized that some stands and trees show high ...

    • Cell wall changes during brown rot degradation of furfurylated and acetylated wood 

      Thygesen, Lisbeth G.; Beck, Greeley; Nagy, Nina Elisabeth; Alfredsen, Gry (Peer reviewed; Journal article, 2021-05-30)
      This study explores cell wall changes in Radiata pine (Pinus radiata) after modification with acetylation or furfurylation and subsequent prolonged subjection to the brown rot fungus R. placenta with the aim of better ...

    • Bygging av sherpatrapp på Lyngseidet – konsekvenser for beitenæringer 

      Bjørn, Tor-Arne; Eilertsen, Svein (NIBIO Rapport;, Research report, 2021-06)
      Reindrifta i området har opplevd mange inngrep og betydelig økning av menneskelig aktivitet i fjellene de siste årene som er til ulempe for drifta. Etablering av den planlagte sherpatrappa vil komme på toppen av dette, og ...

    • Skogen i Norge 

      Svensson, Arvid; Eriksen, Rune; Hylen, Gro; Granhus, Aksel (NIBIO-rapport;7(142) 2021, Research report, 2021-07)
      Rapporten gir en oversikt over tilstand i norsk skog for referanseåret 2017, basert på data registrert på Landsskogtakseringens permanente prøveflater i perioden 2015-2019. Resultat vises for hele landet og regioner.

    • CO2-equivalence metrics for surface albedo change based on the radiative forcing concept: a critical review 

      Bright, Ryan M.; Lund, Marianne Tronstad (Journal article, 2021-07-01)
      Management of Earth’s surface albedo is increasingly viewed as an important climate change mitigation strategy both on (Seneviratne et al., 2018) and off (Field et al., 2018; Kravitz et al., 2018) the land. Assessing the ...

    • Anaerobic digestion affecting nitrous oxide and methane emissions from the composting process 

      Dietrich, Maria; Fongen, Monica; Føreid, Bente (Peer reviewed; Journal article, 2021-07-02)
      Composting and anaerobic digestion are the most common ways to treat organic residues. Sometimes the organic rest after anaerobic digestion is also composted. In this study we investigated greenhouse gas emissions from ...

    • Macronutrient balancing in free-ranging populations of moose 

      Felton, Annika M.; Wam, Hilde Karine; Felton, Adam; Simpson, Stephen J.; Stolter, Caroline; Hedwall, Per-Ola; Malmsten, Jonas; Eriksson, Torsten; Tigabo, Mulualem; Raubenheimer, David (Peer reviewed; Journal article, 2021-07-15)
      At northern latitudes, large spatial and temporal variation in the nutritional composition of available foods poses challenges to wild herbivores trying to satisfy their nutrient requirements. Studies conducted in mostly ...

    • En sammenligning av gamle og nye miljøregistreringer i Follsjå-området, og en vurdering av hvordan viktige livsmiljøer for rødlistearter i skog fanges opp av registreringene. 

      Gjerde, Ivar; Sætersdal, Magne; Hauglin, Marius; Storaunet, Ken Olaf (NIBIO-rapport;7(139) 2021, Research report, 2021-08)
      I rapporten sammenlignes resultatene av to ulike MiS-registreringer gjennomført i henholdsvis 2009 og 2020 i Follsjåområdet i Notodden kommune. Resultatene viste betydelige forskjeller mellom takstene både når det gjaldt ...

    • Lukkede hogster - produksjon, foryngelse og økonomi 

      Granhus, Aksel; Ødegård, Erik; Bergseng, Even; Bergsaker, Erling (NIBIO-rapport;7(148) 2021, Research report, 2021-08)
      Denne rapporten sammenstiller resultater fra prosjektet «Lukket hogst – hvor godt har det fungert?». Hovedfokuset har vært å analysere i hvilken grad uttaksstyrke og ulike bestandskarakteristika bidrar til å forklare ...

    • Kortnebbgås og hvitkinngås spiser godt på innmarka også i Troms på sin vei til Svalbard 

      Aarseth, Jo Jorem (NIBIO-pop;7(23) 2021, Journal article, 2021-08)
      Kortnebbgås spesielt, men også hvitkinngås har påført gårdsbruk i Trøndelag, Helgeland og Vesterålen/Lofoten betydelig skade under trekket til og fra Svalbard i en årrekke. Både såkorn og gras spises i betydelige mengder, ...

    • Biotic threats for 23 major non-native tree species in Europe 

      Pötzelsberger, Elisabeth; Gossner, Martin M.; Beenken, Ludwig; Gazda, Anna; Petr, Michal; Ylioja, Tiina; La Porta, Nicola; Avtzis, Dimitrios N.; Bay, Elodie; De Groot, Maarten; Drenkhan, Rein; Duduman, Mihai-Leonard; Enderle, Rasmus; Georgieva, Margarita; Hietala, Ari Mikko; Hoppe, Björn; Jactel, Herve; Jarni, Kristjan; Keren, Srđan; Keseru, Zsolt; Koprowski, Marcin; Kormuťák, Andrej; Lombardero, María Josefa; Lukjanova, Aljona; Marozas, Vitas; Mauri, Edurad; Monteverdi, Maria Cristina; Nygaard, Per Holm; Ogris, Nikica; Olenici, Nicolai; Orazio, Christophe; Perny, Bernhard; Pinto, Glória; Power, Michael; Puchalka, Radoslaw; Ravn, Hans Peter; Sevillano, Ignacio; Stroheker, Sophie; Taylor, Paul; Tsopelas, Panagiotis; Urban, Josef; Voolma, Kaljo; Westergren, Marjana; Witzell, Johanna; Zborovska, Olga; Zlatkovic, Milica (Peer reviewed; Journal article, 2021-08-06)
      For non-native tree species with an origin outside of Europe a detailed compilation of enemy species including the severity of their attack is lacking up to now. We collected information on native and non-native species ...

    • Ice melt-induced variations of structural and functional traits of the aquatic microbial community along an arctic river (Pasvik river, Norway) 

      Papale, Maria; Rizzo, Carmen; Caruso, Gabriella; Amalfitano, Stefano; Maimone, Giovanna; Miserocchi, Stefano; La Ferla, Rosabruna; Aspholm, Paul Eric; Decembrini, Franco; Azzaro, Filippo; Conte, Antonella; Graziano, Marco; Rappazzo, Alessandro Ciro; Lo Giudice, Angelina; Azzaro, Maurizio (Peer reviewed; Journal article, 2021-08-22)
      The effects of climate change-induced ice melting on the microbial communities in different glacial-fed aquatic systems have been reported, but seasonal dynamics remain poorly investigated. In this study, the structural ...

    • Above-ground biomass change estimation using national forest inventory data with Sentinel-2 and Landsat 

      Puliti, Stefano; Breidenbach, Johannes; Schumacher, Johannes; Hauglin, Marius; Klingenberg, Torgeir Ferdinand; Astrup, Rasmus Andreas (Peer reviewed; Journal article, 2021-08-25)
      This study aimed at estimating total forest above-ground net change (ΔAGB; Gg) over five years (2014–2019) based on model-assisted estimation utilizing freely available satellite imagery. The study was conducted for a ...

    • Temporal analysis shows relaxed genetic erosion following improved stocking practices in a subarctic transnational brown trout population 

      Klutsch, Cornelya; Maduna, Simo; Polikarpova, Natalia; Forfang, Kristin; Beddari, Benedicte Lissner; Gjelland, Karl Øystein; Aspholm, Paul Eric; Amundsen, Per-Arne; Hagen, Snorre (Peer reviewed; Journal article, 2021-08-30)
      Maintaining standing genetic variation is a challenge in human-dominated landscapes. We used genetic (i.e., 16 short tandem repeats) and morphological (i.e., length and weight) measurements of 593 contemporary and historical ...

    • Studieplan for fagskoleutdanning i Bærekraftige matopplevelser 

      Høberg, Eva Narten; Tørrissen, Per Theodor; Steinrud, Marianne Myrnes; Samuelsen, Else (NIBIO-rapport;7(146) 2021, Research report, 2021-09)
      Studieplan for fagskoleutdanningen Bærekraftige matopplevelser bygger på erfaringer fra studietilbud Mat og matkultur som ble tilbudt ved Høgskolen i Nesna i samarbeid med Norsk institutt for bioøkonomi (NIBIO) (2005-2014). ...

    • Klimagassregnskap for skogsdriften til Statskog 

      Astrup, Rasmus Andreas; Svensson, Arvid; Sevillano, Ignacio; Fischer, Carolin; Fernández, Clara Antón (NIBIO-rapport;7(155) 2021, Research report, 2021-09)
      Statskog eier om lag 8% av Norges produktive skogareal. Skogen er dominert av en stor andel hogstmoden skog og en overvekt av skog på lavere boniteter. Tilveksten i skogen er svakt avtagende noe som sannsynligvis skyldes ...