Divisjon for skog og utmark: Nye registreringer
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Sampling for wood decay analyses of cable car trestles and houses at Svalbard. Field report
(NIBIO Rapport, Research report, 2023)This report is a documentation of the field data collection and sampling at Svalbard in 2022 within the project ArcticAlpineDecay. The sampling methods are described and for each object sampling was performed documentation ... -
Kontroll av Landsskogtakseringens prøveflatetakst 2017, 2018 og 2019
(NIBIO Rapport, Research report, 2023)Kontrolltaksering av et utvalg permanente prøveflater i Landsskogtakseringen ble gjennomført i 2017, 2018 og 2019. Det er for de fleste variablene som ble sammenlignet bra samsvar mellom kontrolldataene og registreringene ... -
Vurdering av gjerdeløsninger for rein
(NIBIO Rapport;, Research report, 2023) -
Development of a universal height response model for transfer of Norway spruce (Picea abies L. Karst) in Fennoscandia
(Peer reviewed; Journal article, 2022-11-18)Norway spruce is a major industrial tree species in Fennoscandia and future productivity of the species must be secured by matching the variation in adaptation of the species with suitable sites for optimized performance. ... -
Water sorption in wood cell walls–data exploration of the infuential physicochemical characteristics
(Peer reviewed; Journal article, 2022-12-07)The material properties of wood are intimately tied to the amount of moisture contained in the wood cell walls. The moisture content depends on the environmental conditions, i.e. temperature and relative humidity, but also ... -
Raman micro-spectroscopy of two types of acetylated Norway spruce wood at controlled relative humidity
(Peer reviewed; Journal article, 2022-09-06)Water is a key element for wood performance, as water molecules interact with the wood structure and affect important material characteristics such as mechanical properties and durability. Understanding wood-water interactions ... -
Douglas Fir Growth Is Constrained by Drought: Delineating the Climatic Limits of Timber Species under Seasonally Dry Conditions
(Peer reviewed; Journal article, 2022-10-29)There is debate on which tree species can sustain forest ecosystem services in a drier and warmer future. In Europe, the use of non-native timber species, such as Douglas fir (Pseudotsuga menziesii [Mirb.] Franco), is ... -
Maps and stories in the creation of richer accounts of change in pastoral landscapes in Nordland, northern Norway
(Peer reviewed; Journal article, 2022-11-04)The categories and concepts in the existing official land-use maps have been under improvements over recent years; however, this study from Nordland, northern Norway, shows that they continue to pose several dilemmas when ... -
Naturskog og kulturskog: En undersøkelse av artsantall og artssammensetning for karplanter, makrolav, moser og vedboende poresopp
(NIBIO Rapport, Research report, 2022)Data på forekomster av karplanter, lav, moser og vedboende sopp innsamlet i 1997-98 ble analysert med hensyn på artsmangfold og artssammensetning i eldre naturskog og yngre kulturskog i tre ulike studieområder. Det ble ... -
Annual variation in breeding success in boreal forest grouse: Four decades of monitoring reveals bottom-up drivers to be more important than predation
(Peer reviewed; Journal article, 2022-10-09)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 ... -
DNA-overvåking av brunbjørn i Karasjok 2022 ved bruk av hårfeller
(NIBIO Rapport, Research report, 2022)Hår fra brunbjørn ble samlet inn i 48 hårfeller med luktstoff i et 1200 km2 stort område i Karasjok kommune (Troms og Finnmark fylke) i løpet av 2 måneder fra juni til august i 2022. Det ble brukt et 5 x 5 km rutesystem ... -
Effects of Formic Acid Preservation of Fishbones on the Extractability of Ammonium Lactate–Acetate Soluble Calcium, Phosphorus, Magnesium, and Potassium
(Peer reviewed; Journal article, 2022-03-03)Fishbones contain significant amounts of plant nutrients. Fish residues may be preserved by acidification to pH < 4, which may affect the chemical extractability, and the plant availability of nutrients when applied as ... -
SiTree: A framework to implement single-tree simulators
(Peer reviewed; Journal article, 2022-06)SiTree is a flexible, cross-platform, open-source framework for individual-tree simulators intended to facilitate accurate and flexible analyses of forest growth and yield, or more generally forest dynamics simulations. ... -
Bæreevneklassifisering for skogsbilveier-Resultater av pilotforsøket 2018-2021
(NIBIO Rapport, Research report, 2022)Prosjektets mål var å utvikle en prognosemodellfor sesongvis tilgjengelighet av skogsbilveier. Det ersamlet inn feltdata fra 77 veier, totalt 231 unike registreringspunkter som fanger opp variasjoner i målt bæreevne, ... -
Taksering av elgbeite, indre Oppland – Murudalen og Gausdal Vestfjell 2021-2022
(NIBIO Rapport 8(145) 2022;, Research report, 2022-11)NIBIO har taksert elgbeite over ca. 3000 daa i Murudalen og Gausdal Vestfjell 2021 og 2022. Bjørk, vier, einer og furu var det eneste buskbeitet av betydning. Furu utgjorde kun rundt 5% av beitetrærne, selv i furudominerte ... -
FASTVEG: Forsterkning av skogsbilveibæreevne, trinnvis enkel Groundeco-metode
(NIBIO Rapport 8(144) 2022;, Research report, 2022-11)Hovedmålet er å evaluere en ny, forenklet metode for Groundeco/EcoX-behandling av skogsbilveier for å øke bæreevnen i eksisterende masser. Delmålene er å undersøke effekten av behandlingen på bæreevne, kostnader knyttet ... -
Villeple på Jomfruland – en unik populasjon i nasjonal målestokk
(Journal article, 2022-11)Visste du at det finnes en viltvoksende art av eple i Norge? En av landets største populasjoner av villeple finnes på Jomfruland i Kragerø kommune. Villeple hybridiserer lett med hageeple, men på øya Jomfruland er det lite ... -
Benthic Microbial Communities in a Seasonally Ice-Covered Sub-Arctic River (Pasvik River, Norway) Are Shaped by Site-Specific Environmental Conditions
(Peer reviewed; Journal article, 2022-05-12)The Pasvik River experiences chemical, physical, and biological stressors due to the direct discharges of domestic sewage from settlements located within the catchment and runoff from smelter and mine wastes. Sediments, ... -
With increasing site quality asymmetric competition and mortality reduces Scots pine (Pinus sylvestris L.) stand structuring across Europe
(Peer reviewed; Journal article, 2022-06-21)Heterogeneity of structure can increase mechanical stability, stress resistance and resilience, biodiversity and many other functions and services of forest stands. That is why many silvicultural measures aim at enhancing ... -
Simple Models Outperform More Complex Big-Leaf Models of Daily Transpiration in Forested Biomes
(Peer reviewed; Journal article, 2022-09-12)Transpiration makes up the bulk of total evaporation in forested environments yet remains challenging to predict at landscape-to-global scales. We harnessed independent estimates of daily transpiration derived from co-located ...