Blar i NTNU Open på forfatter "Nilsen, Erlend Birkeland"
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Assessment of the risk of negative impact on biodiversity from import and release of eggs or live fish from landlocked Atlantic salmon from Klarälven in Sweden to Trysilelva in Norway. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment
Thorstad, Eva Bonsak; Garseth, Åse Helen; Gjøen, Tor; Gulla, Snorre; Lo, Håvard; Malmstrøm, Martin; Mo, Tor Atle; Velle, Gaute; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Hole, Lars Robert; Järnegren, Johanna; Kausrud, Kyrre; Kirkendall, Lawrence R.; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Olsen, Rolf Erik; Rimstad, Espen; Rueness, Eli Knispel; Øverli, Øyvind; Nielsen, Andreas (VKM Report;, Research report, 2021) -
Assessment of the risk of negative impact on biodiversity from import and release of eggs or live fish from landlocked Atlantic salmon from Klarälven in Sweden to Trysilelva in Norway. Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment
Thorstad, Eva Bonsak; Garseth, Åse Helen; Gjøen, Tor; Gulla, Snorre; Lo, Håvard; Malmstrøm, Martin; Mo, Tor Atle; Velle, Gaute; de Boer, Hugo; Eldegard, Katrine; Hindar, Kjetil; Hole, Lars Robert; Järnegren, Johanna; Kausrud, Kyrre; Kirkendall, Lawrence R.; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Olsen, Rolf Erik; Rimstad, Espen; Rueness, Eli Knispel; Øverli, Øyvind; Nielsen, Anders (Peer reviewed; Journal article, 2021)Introduction Atlantic salmon in the River Klarälven in Sweden live the entire life in freshwater, undertaking feeding migrations to Lake Vänern. The upper part of the watershed is in Norway and comprises the River Trysilelva ... -
Assessment of the risk to Norwegian biodiversity from import and keeping of American bison, European bison, domesticated water buffalo and domesticated yak. Scientific Opinion of the panel on Alien Organisms and Trade in Endangered Species (CITES) of the Norwegian Scientific Committee for Food and Environment
Nilsen, Erlend Birkeland; Austrheim, Gunnar; Gjøen, Tor; Kvie, Kjersti Sternang; Malmstrøm, Martin; Ytrehus, Bjørnar; Eldegard, Katrine; Hindar, Kjetil; Järnegren, Johanna; Nielsen, Anders; Kausrud, Kyrre; Kirkendall, Lawrence R.; Rueness, Eli Knispel; Thorstad, Eva Bonsak; Velle, Gaute (Peer reviewed; Journal article, 2021) -
Assessment of the risk to Norwegian biodiversity from the pathogenic fungi Batrachochytrium dendrobatidis (Bd) and Batrachochytrium salamandrivorans (Bsal)
Nielsen, Anders; Dolmen, Dag; Höglund, Jacob; Kausrud, Kyrre; Malmstrøm, Martin; Taugbøl, Annette; Vrålstad, Trude; Ytrehus, Bjørnar; de Boer, Hugo; Hindar, Kjetil; Kirkendall, Lawrence R.; Nilsen, Erlend Birkeland; Rueness, Eli Knispel; Velle, Gaute (VKM Report;, Research report, 2019) -
Catchment vegetation and temperature mediating trophic interactions and production in plankton communities
Finstad, Anders Gravbrøt; Nilsen, Erlend Birkeland; Hendrichsen, Ditte Katrine; Schmidt, Niels M. (Journal article; Peer reviewed, 2017)Climatic factors influence the interactions among trophic levels in an ecosystem in multiple ways. However, whereas most studies focus on single factors in isolation, mainly due to interrelation and correlation among drivers ... -
The challenges and opportunities of coexisting with wild ungulates in the human-dominated landscapes of Europe's Anthropocene
Linnell, John Durrus; Cretois, Benjamin; Nilsen, Erlend Birkeland; Rolandsen, Christer Moe; Solberg, Erling Johan; Veiberg, Vebjørn; Kaczensky, Petra; Van Moorter, Bram; Panzacchi, Manuela; Rauset, Geir Rune; Kaltenborn, Bjørn Petter (Peer reviewed; Journal article, 2020)The cumulative impact of human activities has driven many species into severe declines across the globe. However, the recent focus on conservation optimism has begun to highlight case studies that go against this trend. ... -
Climatic forcing and individual heterogeneity in a resident mountain bird: legacy data reveal effects on reproductive strategies
Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2023)Optimization of clutch size and timing of reproduction have substantial effects on lifetime reproductive success in vertebrates, and both individual quality and environmental variation may impact life history strategies. ... -
Coexistence of large mammals and humans is possible in Europe’s anthropogenic landscapes
Cretois, Benjamin; Linnell, John Durrus; Van Moorter, Bram; Kaczensky, Petra; Nilsen, Erlend Birkeland; Parada, Jorge Sicacha; Rød, Jan Ketil (Journal article; Peer reviewed, 2021)A critical question in the conservation of large mammals in the Anthropocene is to know the extent to which they can tolerate human disturbance. Surprisingly, little quantitative data is available about large-scale effects ... -
Consequences of barriers and changing seasonality on population dynamics and harvest of migratory ungulates
Van Moorter, Bram; Engen, Steinar; Fryxell, John M.; Panzacchi, Manuela; Nilsen, Erlend Birkeland; Mysterud, Atle (Peer reviewed; Journal article, 2020)Many animal populations providing ecosystem services, including harvest, live in seasonal environments and migrate between seasonally distinct ranges. Unfortunately, two major sources of human-induced global change threaten ... -
Demographic determinants of population growth rate in willow ptarmigan (Lagopus lagopus) in Lierne, central Norway
Stavnås, Veronica Myhr (Master thesis, 2018)Willow ptarmigan (Lagopus lagopus) populations in Norway have declined during the last decade and the species was included in the Norwegian Red list in 2015 as near threatened . Accordingly, it is important to identify ... -
Drivers and consequences of partial migration in an alpine bird species
Arnekleiv, Øyvind Lorvik; Eldegard, Katrine; Moa, Pål Fossland; Eriksen, Lasse Frost; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2022)1. Partial migration, where a portion of the population migrates between win-ter and summer (breeding) areas and the rest remain year- round resident, is a common phenomenon across several taxonomic groups. Several hypotheses ... -
Elgen i Norge sett med jegerøyne. En analyse av jaktmaterialet fra overvå-kingsprogrammet for elg og det samlede sett elg-materialet for perioden 1966-2004
Solberg, Erling Johan; Rolandsen, Christer Moe; Heim, Morten; Grøtan, Vidar; Garel, Mathieu; Sæther, Bernt-Erik; Nilsen, Erlend Birkeland; Austrheim, Gunnar; Herfindal, Ivar (NINA rapport;125, Research report, 2006)Elgen er en viktig utmarksressurs i Norge. Som et ledd i overvåkingen av denne ressursen be-nyttes elgjegere til å samle inn forskjellig type data fra observerte og felte elg under jakta hvert år. Dette materialet er i ... -
Framdriftsrapport for Scandlynx Norge 2011
Odden, John; Mattisson, Jenny; Linnell, John Durrus; Mysterud, Atle; Melis, Claudia; Nilsen, Erlend Birkeland; Brøseth, Henrik; Teurlings, Ivonne; Samelius, Gustav; McNutt, Helen L.; Andren, Henrik; Persson, Jens; Arnemo, Jon Martin; Sjulstad, Kjartan; Ulvund, Kristine R.; Loe, Leif Egil; Segerström, Peter; Turtumøygard, Tea; Strømseth, Thomas Holm; Gervasi, Vincenzo; Bouyer, Yaëlle; Flagstad, Øystein (NINA rapport;842, Research report, 2012)Rapporten oppsummerer aktiviteten til det skandinaviske forskningsprosjektet på gaupe (Scandlynx) i Norge det siste året. Rapporten er i hovedsak ment som en kort oversikt over gjennomførte aktiviteter til oppdragsgivere ... -
Hunters as citizen scientists: Contributions to biodiversity monitoring in Europe
Cretois, Benjamin; Linnell, John Durrus; Grainger, Matthew; Nilsen, Erlend Birkeland; Rød, Jan Ketil (Peer reviewed; Journal article, 2020)Monitoring biodiversity characteristics at large scales and with adequate resolution requires considerable effort and resources. Overall, there is clearly a huge scope for European hunters, a special and often overlooked ... -
Integrating data from different survey types for population monitoring of an endangered species: the case of the Eld’s deer
Bowler, Diana Elizabeth; Nilsen, Erlend Birkeland; Bischof, Richard; O'Hara, Robert B.; Yu, Thin Thin; Oo, Tun; Aung, Myint; Linnell, John Durrus (Journal article; Peer reviewed, 2019)Despite its value for conservation decision-making, we lack information on population abundances for most species. Because establishing large-scale monitoring schemes is rarely feasible, statistical methods that combine ... -
Interspecific competition impacts the occupancy and range limits of two ptarmigan species along the elevation gradient in Norway
Mandeville, Caitlin Marie; Finstad, Anders Gravbrøt; Kålås, John Atle; Stokke, Bård Gunnar; Øien, Ingar Jostein; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2024)Many mountain species are expected to respond to climate change through upslope shifts of their range limits, but competition may restrict or alter this response. Under traditional range-limit theory, it is expected that ... -
Maximizing citizen scientists’ contribution to automated species recognition
Koch, Wouter; Hogeweg, Laurens; Nilsen, Erlend Birkeland; Finstad, Anders Gravbrøt (Peer reviewed; Journal article, 2022)Technological advances and data availability have enabled artificial intelligence-driven tools that can increasingly successfully assist in identifying species from images. Especially within citizen science, an emerging ... -
Open Data Practices among Users of Primary Biodiversity Data
Mandeville, Caitlin; Koch, Wouter; Nilsen, Erlend Birkeland; Finstad, Anders Gravbrøt (Journal article; Peer reviewed, 2021)Presence-only biodiversity data are increasingly relied on in biodiversity, ecology, and conservation research, driven by growing digital infrastructures that support open data sharing and reuse. Recent reviews of open ... -
Participatory monitoring drives biodiversity knowledge in global protected areas
Mandeville, Caitlin Marie; Nilsen, Erlend Birkeland; Herfindal, Ivar; Finstad, Anders Gravbrøt (Peer reviewed; Journal article, 2023)Protected areas are central in strategies to conserve biodiversity. Effective area-based conservation relies on biodiversity data, but the current biodiversity knowledge base is insufficient and limited by geographic and ... -
Recognizability bias in citizenscience photographs
Koch, Wouter; Hogeweg, Laurens; Nilsen, Erlend Birkeland; O'Hara, Robert B.; Finstad, Anders Gravbrøt (Journal article; Peer reviewed, 2023)Citizen science and automated collection methods increasinglydepend on image recognition to provide the amountsof observational data research and management needs.Recognition models, meanwhile, also require large amounts ...