Divisjon for skog og utmark: Nye registreringer

Viser treff 161-180 av 521

    • The effect of tree and harvester size on productivity and harvester investment decisions 

      Ackerman, Simon A.; Talbot, Bruce; Astrup, Rasmus Andreas (Peer reviewed; Journal article, 2021-11-02)
      Long-term machine-derived data sets comprising 140,000 trees were collected from four harvesters of equal age and similar working conditions, into two machine size classes, viz. two Ponsse Bears and two smaller Ponsse ...

    • Efficiency of Livestock Carcass Detection Dogs 

      Hansen, Inger; Winje, Erlend (Peer reviewed; Journal article, 2021-10-25)
      There is an increasing use of carcass detection dogs to find remains of dead livestock in Norwegian rangelands. But how effective are these dogs actually? • We compared the efficiency of approved carcass detection dog ...

    • 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 ...

    • 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 ...

    • 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 ...

    • Fôring av reinsdyr – og fôringsrelaterte sykdommer 

      Eilertsen, Svein Morten; Winje, Erlend; Davidson, Rebecca K.; Mørk, Torill; Nymo, Ingebjørg Helena (NIBIO POP;, Research report, 2022-02)

    • Spatio-temporal prediction of soil moisture and soil strength by depth-to-water maps 

      Schönauer, Marian; Väätäinen, Kari; Prinz, Robert; Lindeman, Harri; Pszenny, Dariusz; Jansen, Martin; Maack, Joachim; Talbot, Bruce; Astrup, Rasmus Andreas; Jaeger, Dirk (Peer reviewed; Journal article, 2021-11-16)
      The utilization of detailed digital terrain models entails an enhanced basis for supporting sustainable forest management, including the reduction of soil impacts through predictions of site trafficability during mechanized ...

    • Coupling a differential global navigation satellite system to a cut-to-length harvester operating system enables precise positioning of harvested trees 

      Noordermeer, Lennart; Sørngård, Erik; Astrup, Rasmus; Næsset, Erik; Gobakken, Terje (Peer reviewed; Journal article, 2021-03-30)
      Cut-to-length harvesters collect detailed information on the dimensions and characteristics of individual harvested trees. When equipped with global navigation satellite system (GNSS) receivers and motion sensors, the ...

    • Directional turnover towards larger-ranged plants over time and across habitats 

      Staude, Ingmar R.; Pereira, Henrique M.; Daskalova, Gergana N.; Bernhardt-Römermann, Markus; Diekmann, Martin; Pauli, Harald; Van Calster, Hans; Vellend, Mark; Bjorkman, Anne D.; Brunet, Jörg; De Frenne, Pieter; Hédl, Radim; Jandt, Ute; Lenoir, Jonathan; Myers-Smith, Isla H.; Verheyen, Kris; Wipf, Sonja; Wulf, Monika; Andrews, Christopher; Barančok, Peter; Barni, Elena; Benito-Alonso, José-Luis; Bennie, Jonathan; Berki, Imre; Blüml, Volker; Chudomelová, Markéta; Decocq, Guillaume; Dick, Jan; Dirnböck, Thomas; Durak, Tomasz; Eriksson, Ove; Erschbamer, Brigitta; Graae, Bente Jessen; Heinken, Thilo; Schei, Fride Høistad; Jaroszewicz, Bogdan; Kopecký, Martin; Kudernatsch, Thomas; Macek, Martin; Malicki, Marek; Máliš, František; Michelsen, Ottar; Naaf, Tobias; Nagel, Thomas A.; Newton, Adrian C.; Nicklas, Lena; Oddi, Ludovica; Ortmann-Ajkai, Adrienne; Palaj, Andrej; Petraglia, Alessandro; Petřík, Petr; Pielech, Remigiusz; Porro, Francesco; Puşcaş, Mihai; Reczyńska, Kamila; Rixen, Christian; Schmidt, Wolfgang; Standovár, Tibor; Steinbauer, Klaus; Świerkosz, Krzysztof; Teleki, Balázs; Theurillat, Jean-Paul; Turtureanu, Pavel Dan; Ursu, Tudor-Mihai; Vanneste, Thomas; Vergeer, Philippine; Vild, Ondřej; Villar, Luis; Vittoz, Pascal; Winkler, Manuela; Baeten, Lander (Peer reviewed; Journal article, 2021-12-05)
      Species turnover is ubiquitous. However, it remains unknown whether certain types of species are consistently gained or lost across different habitats. Here, we analysed the trajectories of 1827 plant species over time ...

    • Rekruttering og generasjonsoverganger i reindriften - Vurdering av økonomiske tilskudd 

      Bjørn, Tor-Arne; Smuk, Stig Rune; Winje, Erlend (NIBIO-rapport;8(3) 2022, Research report, 2022-02)
      NIBIO har i denne rapporten utredet bestemte virkemidler som skal bidra til å sikre hensiktsmessige generasjonsoverganger i reindriften. Rapporten tar for seg rekrutteringssituasjonen i reindriften og tiltak over ...

    • Taksering av elgbeite, Vestmarka – grunntakst 2021 

      Wam, Hilde Karine; Hjeljord, Olav (NIBIO-rapport;8(13) 2022, Research report, 2022-01)
      NIBIO har på oppdrag av Lier kommune utført taksering av elgbeite i de skogkledde delene av Vestmarka bestandsplanområde (Lier, Asker og Bærum kommuner) sommeren 2021, for å kunne si noe om beitetilbud og beitepress. Vi ...

    • Materialflyt av treprodukter i Norge – 1961-2019 

      Alfredsen, Gry; Nordhagen, Eirik; Breidenbach, Johannes; Gobakken, Lone Ross (NIBIO-rapport;8(8) 2022, Research report, 2022-01)
      Skogen i Norge har et årlig netto opptak av CO2 tilsvarende nær halvparten av de nasjonale menneskeskapte utslippene. Skogens bidrag i klimasammenheng kan økes gjennom økt opptak av CO2 i skog, men også ved økt lagring av ...

    • Models for integrating and identifying the effect of senescence on individual tree survival probability for norway spruce 

      Siipilehto, Jouni; Mäkinen, Harri; Andreassen, Kjell; Peltoniemi, Mikko (Peer reviewed; Journal article, 2021-04-12)
      Ageing and competition reduce trees’ ability to capture resources, which predisposes them to death. In this study, the effect of senescence on the survival probability of Norway spruce (Picea abies (L.) Karst.) was analysed ...

    • 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 (Peer reviewed; Journal article, 2021-12-25)
      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 ...

    • Boreal tree species change as a climate mitigation strategy: impact on ecosystem C and N stocks and soil nutrient levels 

      Kjønaas, O. Janne; Barcena, Teresa G.; Hylen, Gro; Nordbakken, Jørn-Frode; Økland, Tonje (Peer reviewed; Journal article, 2021-11-24)
      To increase the annual uptake of CO2 as well as the long-term storage of carbon (C) in forests, the Norwegian government consider large-scale replacements of native, deciduous forests with faster-growing species like Norway ...

    • Identifying old Norway spruce and Scots pine trees by morphological traits and site characteristics 

      Handegard, Eivind; Gjerde, Ivar; Bollandsås, Ole Martin; Storaunet, Ken Olaf (Peer reviewed; Journal article, 2021-11-05)
      Old trees are important for biodiversity, and the process of their identification is a critical process in their conservation. However, determining the tree age by core extraction, ring counts, and eventually, cross-dating ...

    • Large scale mapping of forest attributes using heterogeneous sets of airborne laser scanning and National Forest Inventory data 

      Hauglin, Marius; Rahlf, Johannes; Schumacher, Johannes; Astrup, Rasmus Andreas; Breidenbach, Johannes (Peer reviewed; Journal article, 2021-09-29)
      Background The Norwegian forest resource map (SR16) maps forest attributes by combining national forest inventory (NFI), airborne laser scanning (ALS) and other remotely sensed data. While the ALS data were acquired over ...

    • Conservation of waterlogged wood—past, present and future perspectives 

      Broda, Magdalena; Hill, Callum Aidan Stephen (Peer reviewed; Journal article, 2021-09-02)
      This paper reviews the degradation, preservation and conservation of waterlogged archaeological wood. Degradation due to bacteria in anoxic and soft-rot fungi and bacteria in oxic waterlogged conditions is discussed with ...

    • Spatial clustering by red deer and its relevance for management of chronic wasting disease 

      Mysterud, Atle; Skjelbostad, Isa Nergård; Rivrud, Inger Maren; Brekkum, Øystein; Meisingset, Erling L. (Peer reviewed; Journal article, 2021-04-28)
      Herbivores like cervids usually graze on widely scattered forage, but anthropogenic food sources may cause spatial revisitation and aggregation, posing a risk for transmission of infectious diseases. In 2016, chronic wasting ...