Divisjon for skog og utmark: Nye registreringer
Viser treff 381-400 av 521
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Effect of methyltrimethoxysilane impregnation on the cell wall porosity and water vapour sorption of archaeological waterlogged oak
(Journal article; Peer reviewed, 2019-05-02)This paper presents the water vapour sorption behaviour of degraded archaeological oak (Quercus robur L.) and the influence of methyltrimethoxysilane treatment on hygroscopicity. Wood samples (archaeological and undegraded ... -
CNash - A novel parameter predicting cake solids of dewatered digestates
(Journal article; Peer reviewed, 2019-04-23)Efficient digestate dewatering is crucial to reduce the volume and transportation cost of solid residues from anaerobic digestion (AD) plants. Large variations in dewatered cake solids have been reported and predictive ... -
Avvirkningsmuligheter i Rogaland, Hordaland og Sogn og Fjordane
(NIBIO Rapport;5(93) 2019, Research report, 2019-08-15)I denne rapporten presenteres resultater fra prognosekjøringer der vi har beregnet poensiell virkestilgang for et område avgrenset til fylkene Rogaland, Hordaland og Sogn og Fjordane, med utgangspunkt i data registrert på ... -
Flaskehalser i det kommunale veinettet – økonomiske konsekvenser for tømmertransport i Sogn og Fjordane
(NIBIO Rapport;5(97) 2019, Research report, 2019)Utredningens hovedmål har vært å kvantifisere de økonomiske konsekvensene av flaskehalser for tømmertransport i det kommunale veinettet i Sogn og Fjordane. Hovedmålet ble delt i to delmål. Det første delmålet var å vurdere ... -
Wood modification by furfuryl alcohol caused delayed decomposition response in Rhodonia (Postia) placenta
(Journal article; Peer reviewed, 2019-07-01)The aim of this study was to investigate differential expression profiles of the brown rot fungus Rhodonia placenta (previously Postia placenta) harvested at several time points when grown on radiata pine (Pinus radiata) ... -
Assessing Harvested Sites in a Forested Boreal Mountain Catchment through Global Forest Watch
(Journal article; Peer reviewed, 2019-03-06)Global Forest Watch (GFW) provides a global map of annual forest cover loss (FCL) produced from Landsat imagery, offering a potentially powerful tool for monitoring changes in forest cover. In managed forests, FCL primarily ... -
Genetic changes caused by restocking and hydroelectric dams in demographically bottlenecked brown trout in a transnational subarctic riverine system
(Journal article; Peer reviewed, 2019-04-29)Habitat discontinuity, anthropogenic disturbance, and overharvesting have led to population fragmentation and decline worldwide. Preservation of remaining natural genetic diversity is crucial to avoid continued genetic ... -
Detection and Classification of Root and Butt-Rot (RBR) in Stumps of Norway Spruce using RGB Images and Machine Learning
(Journal article; Peer reviewed, 2019-04-01)Root and butt-rot (RBR) has a significant impact on both the material and economic outcome of timber harvesting, and therewith on the individual forest owner and collectively on the forest and wood processing industries. ... -
En sammenligning av produksjonen hos vanlig gran og sitkagran i Norge
(NIBIO Rapport;, Research report, 2019-08)I denne undersøkelsen har vi sammenlignet bestandsutvikling og produksjon (m3/ha/år) hos sitkagran og vanlig gran i kyststrøk i Norge. Rapporten bygger på data fra langsiktige feltforsøk som er fulgt med jevnlige målinger ... -
Deforestation and Forest Degradation as an Environmental Behavior: Unpacking Realities Shaping Community Actions
(Journal article; Peer reviewed, 2019-01-29)Deforestation and forest degradation (D&D) in the tropics have continued unabated and are posing serious threats to forests and the livelihoods of those who depend on forests and forest resources. Smallholder farmers are ... -
An automatic pre-processing method to detect and reject signal artifacts from full-shift field-work sEMG recordings of bilateral trapezius activity
(Journal article; Peer reviewed, 2019)Bipolar surface EMG (sEMG) signals of the trapezius muscles bilaterally were recorded continuously with a frequency of 800 Hz during full-shift field-work by a four-channel portable data logger. After recordings of 60 ... -
Årsaksfaktorer for vind‐ og snøskader i Sør‐Norge
(NIBIO Rapport;5(85) 2019, Research report, 2019-06)Denne rapporten er basert på Landsskogtakseringens registreringer av vind- og snøskader i Sør-Norge i perioden 2005-2015, samt en case-studie hos Mathiesen Eidvol Værk for skader etter Dagmar-stormen. Med statistiske ... -
Sørhjort – merke- og utviklingsprosjekt for hjort i Agder og Telemark - Sluttrapport
(NIBIO Rapport;5 (66) 2019, Research report, 2019-06)Denne rapporten oppsummerer Sørhjort – merke- og utviklingsprosjekt for hjort i Agder og Telemark (2015-2019). Prosjektets mål har vært å utvikle kunnskap om hjortens arealbruk på Sørlandet og i Telemark til grunnlag for ... -
Utprøving av nytt reinvarslingssystem på E6 over Saltfjellet. Vintrene 2018 og 2019.
(NIBIO-Rapport;5 (70) 2019, Research report, 2019-05)Påkjørsel av tamrein og andre beitedyr er et stadig økende problem både i nordiske land og i Europa for øvrig. I Norge har mer enn 3000 tamrein blitt påkjørt av tog de siste 10 år og dette medfører store dyrelidelser og ... -
Right on track? Performance of satellite telemetry in terrestrial wildlife research
(Journal article; Peer reviewed, 2019-05-09)Satellite telemetry is an increasingly utilized technology in wildlife research, and current devices can track individual animal movements at unprecedented spatial and temporal resolutions. However, as we enter the golden ... -
Predicting delay factors when chipping wood at forest roadside landings
(Journal article; Peer reviewed, 2018-05-15)Chipping of bulky biomass assortments at roadside landings is a common and costly step in the biomass-to-energy supply chain. This operation normally involves one chipping unit and one or several transport trucks working ... -
Hydraulic and mechanical dysfunction of Norway spruce sapwood due to extreme summer drought in Scandinavia
(Journal article; Peer reviewed, 2017-12-22)Projected climate change scenarios such as frequently occurring dry summer spells are an enormous threat to the health of boreal conifer forests. We identified visible features indicating wood with tracheids predisposed ... -
Water up-take in fuel pellets studied by Dynamic Vapour Sorption (DVS) analysis and its potential role in self-heating during storage
(Journal article; Peer reviewed, 2018-10-11)The self-heating of wood fuel pellets is a well-recognised problem causing fire incidents in the storage of the pellets as well as severe intoxication of workers by elevated carbon monoxide and carbon dioxide levels and ... -
Acetylation of Pinus radiata delays hydrolytic depolymerisation by the brown-rot fungus Rhondonia placenta
(Journal article; Peer reviewed, 2018-11-01)Acetylation of wood can provide protection against wood deteriorating fungi, but the exact degradation me- chanism remains unclear. The aim of this study was to determine the effect of acetylation of Pinus radiata wood ... -
Utilisation of chemically modified lampante oil for wood protection
(Journal article; Peer reviewed, 2018-07-27)Within the Slovenian region of Istria, the olive growing and oil production industry is strong. This industry has a long history and the olives grown here have high levels of biologically active compounds including a variety ...