• 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 ...
    • Integrating data from multiple sources for insights into demographic processes: Simulation studies and proof of concept for hierarchical change-in-ratio models 

      Nilsen, Erlend Birkeland; Strand, Olav (Journal article; Peer reviewed, 2018)
      Nilsen EB, Strand O (2018) Integrating data from multiple sources for insights into demographic processes: Simulation studies and proof of concept for hierarchical change-in-ratio models. PLoS ONE 13(3): e0194566. ...
    • Life-history attributes and resource dynamics determine intraspecific home-range sizes in Carnivora 

      Duncan, Clare; Nilsen, Erlend Birkeland; Linnell, John Durrus; Pettorelli, Nathalie (Peer reviewed; Journal article, 2015)
      Home ranges capture a fundamental aspect of animal ecology, resulting from interactions between metabolic demands and resource availability. Yet, the understanding of their emergence is currently limited by lack of ...
    • Louping-ill virus serosurvey of willow ptarmigan (Lagopus Lagopus Lagopus) in Norway 

      Ytrehus, Bjørnar; Rocchi, Mara; Brandsegg, Hege; Turnbull, Dylan; Miller, Andrea L.; Pedersen, Hans Christian; Kålås, John Atle; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2021)
      In Norway, the Willow Ptarmigan (Lagopus lagopus lagopus) is experiencing population declines and is nationally Red Listed as Near Threatened. Although disease has not generally been regarded as an important factor behind ...
    • Lynx predation on semi-domestic reindeer: do age and sex matter? 

      Mattisson, Jenny; Arntsen, Gustav Busch; Nilsen, Erlend Birkeland; Loe, Leif Egil; Linnell, John Durrus; Odden, John; Persson, J.; Andrén, H. (Journal article; Peer reviewed, 2014)
      The Eurasian lynx is an efficient stalking predator mainly selecting small-sized ungulates. In northern Scandinavia, semi-domestic reindeer are the only ungulate species available for Eurasian lynx year round and consequently ...
    • Making Messy Data Work for Conservation 

      Dobson, A.D.M.; Milner-Gulland, E.J.; Aebischer, Nicholas J.; Beale, Colin M.; Brozovic, Robert; Coals, Peter; Critchlow, Rob; Dancer, Anthony; Greve, Michelle; Hinsley, Amy; Ibbett, Harriet; Johnston, Alison; Kuiper, Timothy; Le Comber, Steven; Mahood, Simon P.; Moore, Jennifer F.; Nilsen, Erlend Birkeland; Pocock, Michael J.O.; Quinn, Anthony; Travers, Henry; Wilfred, Paulo; Wright, Joss; Keane, Aidan (Journal article, 2020)
      Conservationists increasingly use unstructured observational data, such as citizen science records or ranger patrol observations, to guide decision making. These datasets are often large and relatively cheap to collect, ...
    • Need for transparent and repeatable conservation frameworks: reply to Child et al. 2019 

      Grainger, Matthew; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2019)
    • 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 ...
    • Prognosemodell for bestanden av gaupe i Norge 

      Nilsen, Erlend Birkeland; Brøseth, Henrik; Odden, John; Andrén, Henrik; Linnell, John Durrus (NINA Rapport;774, Research report, 2011)
      Stortinget har vedtatt bestandsmål for antall familiegrupper av gaupe i Norge, både på nasjo-nalt og regionalt nivå. Målsetningen er at bestanden(e) til enhver tid skal være på bestandsmå-let i alle rovviltregioner med ...
    • Quantifying risk of overharvest when implementation is uncertain 

      Eriksen, Lasse Frost; Moa, Pål Fossland; Nilsen, Erlend Birkeland (Journal article; Peer reviewed, 2017)
      1. Sustainable harvest management implies an ability to control harvest rates. This is challenging in systems that have limited control of resources and resource users, which is often the case in small game harvest management. ...
    • Quantifying suitable late summer brood habitats for willow ptarmigan in Norway 

      Kvasnes, Mikkel Andreas Jørnsøn; Pedersen, Hans Christian; Nilsen, Erlend Birkeland (Journal article; Peer reviewed, 2018)
      Background: Habitat models provide information about which habitat management should target to avoid species extinctions or range contractions. The willow ptarmigan inhabits alpine- and arctic tundra habitats in the northern ...
    • Quantifying the checks and balances of collaborative governance systems for adaptive carnivore management 

      Cusack, Jeremy J.; Nilsen, Erlend Birkeland; Israelsen, Markus Fjellstad; Andrén, Henrik; Grainger, Matthew; Linnell, John Durrus; Odden, John; Bunnefeld, Nils (Peer reviewed; Journal article, 2022)
      1. Recovering or threatened carnivore populations are often harvested to minimise their impact on human activities, such as livestock farming or game hunting. Increasingly, harvest quota decisions involve a set of scientific, ...
    • Sett elg og sett hjort-overvåkingen: Styrker og forbedringspotensial 

      Solberg, Erling Johan; Veiberg, Vebjørn; Rolandsen, Christer Moe; Ueno, Mayumi; Nilsen, Erlend Birkeland; Gangsei, Lars Erik; Stenbrenden, Magnus; Libjå, Lars Egil (NINA rapport;1043, Research report, 2014)
      Målrettet hjorteviltforvaltning krever innsamling av fortløpende informasjon om bestandsutviklingen i kombinasjon med effektiv høsting. I denne prosessen har fritidsjegere en viktig rolle ved at de hvert år rapporterer ...
    • Sharing data improves monitoring of trans-boundary populations: the case of wolverines in central Scandinavia 

      Gervasi, Vincenzo; Brøseth, Henrik; Gimenez, Olivier; Nilsen, Erlend Birkeland; Odden, John; Flagstad, Øystein; Linnell, John Durrus (Journal article; Peer reviewed, 2016)
      of wide-ranging species are likely to extend across multiple jurisdictions, including national and international borders. This requires that local institutions implement data sharing and a standardization of monitoring ...
    • Skandlynx : framdriftsrapport fra det skandinaviske forskningsprosjektet på gaupe 2008-2009 

      Odden, John; Mattisson, Jenny; Andrén, Henrik; Linnell, John D.C.; Persson, Jens; Flagstad, Øystein; Nilsen, Erlend Birkeland; Arnemo, Jon Martin; Sköld, Kent; Segerström, Peter; Samelius, Gustaf; Rauset, Geir Rune; Danell, Anna; Liberg, Olof (NINA Rapport;513, Research report, 2009)
      Odden, J., Mattisson, J., Andren, H., Linnell, J.D.C., Persson, J., Flagstad, Ø., Nilsen, E.B., Arnemo, J.M., Sköld, K., Segerström, P., Samelius, G., Rauset, G.R., Danell, A. & Liberg, O. 2009. Skandlynx : framdriftsrapport ...
    • Survival and cause-specific mortality of harvested willow ptarmigan (Lagopus lagopus) in central Norway 

      Israelsen, Markus Fjellstad; Eriksen, Lasse Frost; Moa, Pål Fossland; Hagen, Bjørn-Roar; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2020)
      Survival is a key demographic component that often varies as a result of human activities such as recreational harvest. Detailed understanding of seasonal variation in mortality patterns and the role of various risk factors ...
    • Survival and Migration of Rock Ptarmigan in Central Scandinavia 

      Nilsen, Erlend Birkeland; Moa, Pål Fossland; Brøseth, Henrik; Pedersen, Hans Christian; Hagen, Bjørn-Roar (Peer reviewed; Journal article, 2020)
      In a world undergoing massive declines in the distribution and abundance of many wildlife species, documenting basic ecological characteristics is often needed to be able to understand and potentially mitigate current and ...
    • Temporal quota corrections based on timing of harvest in a small game species 

      Brøseth, Henrik; Nilsen, Erlend Birkeland; Pedersen, Hans-Christian (Peer reviewed; Journal article, 2012)
      Theoretical models have shown that the effect of removing a given proportion of the population can be profoundly different if the harvest takes place late in the season compared to early. We explore the effect of these ...