• A method that accounts for differential detectability in mixed samples of long-term infections with applications to the case of Chronic Wasting Disease in cervids 

      Viljugrein, Hildegunn; Hopp, Petter; Benestad, Sylvie Lafond; Nilsen, Erlend Birkeland; Våge, Jørn; Tavornpanich, Saraya; Rolandsen, Christer Moe; Strand, Olav; Mysterud, Atle (Journal article; Peer reviewed, 2018)
      1. Surveillance of wildlife diseases is logistically difficult, and imperfect detection is a recurrent challenge for disease estimation. Using citizen science can increase sample sizes, but it is associated with a cost in ...
    • The accuracy and precision of age determination by dental cementum annuli in four northern cervids 

      Veiberg, Vebjørn; Nilsen, Erlend Birkeland; Rolandsen, Christer Moe; Heim, Morten; Andersen, Roy; Holmstrøm, Frode; Meisingset, Erling L.; Solberg, Erling Johan (Peer reviewed; Journal article, 2020)
      Individual age is an important element in models of population demographics, but the limitations of the methods used for age determination are not always clear. We used known-age data from moose (Alces alces), red deer ...
    • Antall familiegrupper, bestandsestimat og bestandsutvikling for gaupe i Norge i 2015 

      Brøseth, Henrik; Tovmo, Mari; Nilsen, Erlend Birkeland (NINA rapport;1179, Research report, 2015)
      Det nasjonale overvåkingsprogrammet for store rovdyr overvåker i dag bestandsstørrelse og bestandsutvikling hos gaupe i Norge hovedsakelig gjennom registrering av familiegrupper (hunndyr i følge med årsunger). Årlig ...
    • Assessment of the risk to Norwegian biodiversity and aquaculture from pink salmon (Oncorhynchus gorbuscha). Scientific Opinion of the Panel on Alien Organisms and Trade in Endangered Species of the Norwegian Scientific Committee for Food and Environment 

      Hindar, Kjetil; Hole, Lars Robert; Kausrud, Kyrre Linné; Malmstrøm, Martin; Rimstad, Espen; Robertson, Lucy; Sandlund, Odd Terje; Thorstad, Eva Bonsak; Vollset, Knut; de Boer, Hugo; Eldegard, Katrine; Järnegren, Johanna; Kirkendall, Lawrence Richard; Måren, Inger Elisabeth; Nilsen, Erlend Birkeland; Rueness, Eli Knispel; Nielsen, Anders; Velle, Gaute (Peer reviewed; Journal article, 2020)
      The Norwegian Environment Agency and the Norwegian Food Safety Authority asked the Norwegian Scientific Committee for Food and Environment to assess the risk to Norwegian biodiversity, to the productivity of native salmonid ...
    • Bjørn i Nord-Trøndelag 

      Nygård, Torgeir; Brainerd, Scott Michael; Brøseth, Henrik; Berntsen, Finn Erik Harald; Bjørnes, Even; Kvam, Tor; Nilsen, Erlend Birkeland; Pedersen, Paul Harald; Stokke, Sigbjørn; Sørensen, Ole Jakob; Swenson, Jon (NINA rapport;472, Research report, 2009)
      Atten brunbjørner (åtte binner og ti hannbjørner) ble fanget i prosjektperioden 1993-2002. Alle binnene og åtte hanner ble radiomerket med VHF-halsbåndsendere For sju binner og fem hannbjørner ble det innsamlet peiledata ...
    • 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. ...
    • 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 ...
    • Effective biodiversity monitoring needs a culture of integration 

      Kühl, H.S.; Bowler, Diana Elizabeth; Bösch, L.; Bruelheide, H.; Dauber, J.; Eichenberg, D.; Eisehower, N.; Fernandez, N.; Guerra, Carlos A.; Henle, Klaus; Herbinger, Ilka; Isaac, Nick J.B.; Jansen, Florian; König-Ries, Birgitta; Kühn, Ingolf; Nilsen, Erlend Birkeland; Pe'er, Guy; Richter, Anett; Schulte, Ralf; Settele, Josef; van Dam, Nicole M.; Voigt, Maria; Wägele, Wolfgang J.; Wirth, Christian; Bonn, Aletta (Peer reviewed; Journal article, 2020)
      Despite conservation commitments, most countries still lack large-scale biodiversity monitoring programs to track progress toward agreed targets. Monitoring program design is frequently approached from a topdown, data-centric ...
    • 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)
      Solberg, E. J., Rolandsen, C. M., Heim, M., Grøtan, V., Garel, M., Sæther, B.-E., Nilsen, E. B., Austrheim, G., Herfindal, I. 2006. Elgen i Norge sett med jegerøyne - En analyse av jaktmaterialet fra overvåkingsprogrammet ...
    • Estimering av antall hekkende par kongeørn basert på kjent forekomst i Norge for perioden 2010-2014 

      Dahl, Espen Lie; Nilsen, Erlend Birkeland; Brøseth, Henrik; Tovmo, Mari (NINA rapport;1158, Research report, 2015)
      Kongeørn i Norge overvåkes i dag gjennom to ulike overvåkingsmetoder: intensivt- og eksten-sivt overvåkede områder. Data fra begge overvåkingsmetoder registreres i Rovbase, miljøfor-valtningens database for overvåking av ...
    • Evidence synthesis for tackling research waste 

      Grainger, Matthew; Bolam, Friederike C.; Stewart, Gavin B.; Nilsen, Erlend Birkeland (Peer reviewed, 2020)
      There is an immediate need for a change in research workflows so that pre-existing knowledge is better used in designing new research. A formal assessment of the accumulated knowledge prior to research approval would reduce ...
    • Exploratory and confirmatory research in the open science era 

      Nilsen, Erlend Birkeland; Bowler, Diana Elizabeth; Linnell, John Durrus (Peer reviewed, 2002)
      1. Applied ecological research is increasingly inspired by the open science movement. However, new challenges about how we define our science when biodiversity data are being shared and reused are not solved. Among these ...
    • Fjellryper - En kunnskapsoversikt 

      Nilsen, Erlend Birkeland; Pedersen, Simen; Brøseth, Henrik; Pedersen, Hans-Christian (NINA rapport;869, Research report, 2012)
      Nilsen, E. B., Pedersen, S., Brøseth, H. & Pedersen, H.C. 2012. Fjellryper – En kunnskapsoversikt – NINA Rapport 869. 38 s. Fjellrype (Lagopus muta) er en karakterart i høyfjellet, og er den eneste herbivore fuglearten ...
    • Framdriftsrapport for Scandlynx Norge 2010 

      Odden, John; Mattisson, Jenny; Strømseth, Thomas Holm; Sjulstad, Kjartan; Linnell, John Durrus; Persson, Jens; Nilsen, Erlend Birkeland; Arnemo, Jon Martin (NINA rapport;640, Research report, 2010)
      Odden, J., Mattisson, J., Strømseth, T.H., Sjulstad, K., Linnell, J.D.C., Persson, J., Nilsen, E.B. & Arnemo, J.M. 2010. Framdriftsrapport for Scandlynx Norge 2010 - NINA Rapport 640. 22 s. Rapporten oppsummerer aktiviteten ...
    • 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)
      Odden, J., Mattisson, J., Linnell, J.D.C., Mysterud, A.,Melis, C., Nilsen, E.B., Samelius, G., McNutt, H.L., Andrén, H., Brøseth, H., Teurlings, I., Persson, J., Arnemo, J.M., Sjulstad, K., Ulvund, K.R., Loe, L.E., ...
    • Framtidig forvaltning av norske hjortebestandar – utfordringar knytt il bestandstettleik og demografi 

      Veiberg, Vebjørn; Nilsen, Erlend Birkeland; Ueno, Mayumi (NINA rapport;, Research report, 2010)
      Veiberg, V., Nilsen, E. B. & Ueno, M. 2010. Framtidig forvaltning av norske hjortebestandar – utfordringar knytt til bestandstettleik og demografi. – NINA Rapport 571. 40 s. Dei siste 30 åras vekst i den norske ...
    • GMSE: an R package for generalised management strategy evaluation 

      Duthie, A. Bradley; Cusack, Jeremy J.; Jones, Isabel L.; Minderman, Jeroen; Nilsen, Erlend Birkeland; Pozo, Rocio A.; Rakotonarivo, O. Sarobidy; Van Moorter, Bram; Bunnefeld, Nils (Journal article; Peer reviewed, 2018)
      1. Management strategy evaluation MSE is a powerful tool for simulating all key aspects of natural resource management under conditions of uncertainty. 2. We present the R package GMSE, which applies genetic algorithms ...
    • Harvest regulations and implementation uncertainty in small game harvest management 

      Moa, Pål Fossland; Eriksen, Lasse Frost; Nilsen, Erlend Birkeland (Journal article; Peer reviewed, 2017)
      A main challenge in harvest management is to set policies that maximize the probability that management goals are met. While the management cycle includes multiple sources of uncertainty, only some of these has received ...
    • Hjortevilt 2012–2014 : Framdriftsrapport fra Overvåkingsprogrammet for hjortevilt 

      Solberg, Erling Johan; Strand, Olav; Veiberg, Vebjørn; Andersen, Roy; Heim, Morten; Rolandsen, Christer Moe; Solem, May I.; Holmstrøm, Frode; Jordhøy, Per; Nilsen, Erlend Birkeland; Granhus, Aksel; Eriksen, Rune (NINA Rapport;1177, Research report, 2015)
      Dette er en framdriftsrapport fra Overvåkingsprogrammet for hjortevilt etter de tre første årene i kontraktsperioden 2012–2017. I rapporten gir vi en oversikt og kvalitetsvurdering av data innsamlet i årene 2012–2014 og ...
    • Impacts of predator-mediated interactions along a climatic gradient on the population dynamics of an alpine bird 

      Bowler, Diana Elizabeth; Kvasnes, Mikkel Andreas Jørnsøn; Pedersen, Hans Christian; Sandercock, Brett; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2020)
      According to classic theory, species’ population dynamics and distributions are less influenced by species interactions under harsh climatic conditions compared to under more benign climatic conditions. In alpine and boreal ...