• Anti-parasite treatment and blood biochemistry in raptor nestlings 

      Hanssen, Sveinn Are; Sonne, Christian; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Ballesteros, Manuel; Eulaers, Igor; Moum, Truls Borg; Johnsen, Trond Vidar; Kjelgaard-Hansen, Mads; Herzke, Dorte; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Erikstad, Kjell Einar; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)
      We investigated the effects of parasite removal on various blood clinical–chemical variables (BCCVs). BCCVs are indicators of health, reflecting, e.g., homeostasis of liver, kidney function, and bone metabolism. The study ...
    • Breeding persistence of Slavonian Grebe (Podiceps auritus) at long-term monitoring sites: predictors of a steep decline at the northern European range limit 

      Stien, Jenny; Strann, Karl Birger; Jepsen, Jane Uhd; Frivoll, Vigdis Irene; Ims, Rolf Anker (Peer reviewed, 2015)
      The Slavonian Grebe (Podiceps auritus) has its European northern range limit in northern Norway, and is a species of national conservation concern due to its small population size and unknown population trend. ...
    • Community-wide mesocarnivore response to partial ungulate migration 

      Henden, John-André; Stien, Audun; Bårdsen, Bård-Jørgen; Yoccoz, Nigel Gilles; Ims, Rolf Anker (Journal article, 2014)
      1. Mesocarnivores increase in number and geographic range in human-disturbed ecosystems with cascading negative impact on biodiversity. To mitigate such impacts, it is essential to identify the proximate causes of such ...
    • Community-wide mesocarnivore response to partial ungulate migration 

      Henden, John-André; Stien, Audun; Bårdsen, Bård-Jørgen; Yoccoz, Nigel Gilles; Ims, Rolf Anker (Journal article; Peer reviewed, 2014)
      1.Mesocarnivores increase in number and geographic range in human-disturbed ecosystems with cascading negative impact on biodiversity. To mitigate such impacts, it is essential to identify the proximate causes of such ...
    • Documenting lemming population change in the Arctic: Can we detect trends? 

      Ehrich, Dorothee; Schmidt, Niels M.; Gauthier, Gilles; Alisauskas, Ray; Angerbjörn, Anders; Clark, Karin; Ecke, Frauke; Eide, Nina Elisabeth; Framstad, Erik; Frandsen, Jay; Franke, Alastair; Gilg, Olivier; Giroux, Marie-Andrée; Henttonen, Heikki; Hörnfeldt, Birger; Ims, Rolf Anker; Kataev, Gennadiy D.; Kharitonov, Sergey P.; Killengreen, Siw Turid; Krebs, Charles J.; Lanctot, Richard B.; Lecomte, Nicolas; Menyushina, Irina; Morris, Douglas W.; Morrisson, Guy; Oksanen, Lauri; Oksanen, Tarja Maarit; Olofsson, Johan; Pokrovsky, Ivan G.; Popov, Igor Yu.; Reid, Don; Roth, James D.; Saalfeld, Sarah T.; Samelius, Gustaf; Sittler, Benoit; Sleptsov, Sergey M.; Smith, Paul; Sokolov, Aleksandr A.; Sokolova, Natalya A.; Soloviev, Mikhail Y.; Solovyeva, Diana (Journal article; Peer reviewed, 2019)
      Lemmings are a key component of tundra food webs and changes in their dynamics can affect the whole ecosystem. We present a comprehensive overview of lemming monitoring and research activities, and assess recent trends ...
    • Harmonizing circumpolar monitoring of Arctic fox: benefits, opportunities, challenges and recommendations 

      Berteaux, Dominique; Thierry, Anne-Mathilde; Alisauskas, Ray; Angerbjörn, Anders; Buchel, Eric; Doronina, Liliya; Ehrich, Dorothee; Eide, Nina Elisabeth; Erlandsson, Rasmus; Flagstad, Øystein; Fuglei, Eva; Gilg, Olivier; Golstman, Mikhail; Henttonen, Heikki; Ims, Rolf Anker; Killengreen, Siw Turid; Kondratyev, Alexander V.; Kruchenkova, Elena; Kruckenberg, Helmut; Kulikova, Olga; Landa, Arild Magne; Lang, Johannes; Menyushina, Irina; Mikhnevich, Julia; Niemimaa, Jukka; Norén, Karin; Ollila, Tuomo; Ovsyanikov, Nikita; Pokrovskaya, Liya; Pokrovsky, Ivan G.; Rodnikova, Anna Y.; Roth, James D.; Sabard, Brigitte; Samelius, Gustaf; Schmidt, Niels-Martin; Sittler, Benoit; Sokolov, Aleksandr A.; Sokolova, Natalya A.; Stickney, Alice; Unnsteinsdóttir, Ester Rut; White, Paula A. (Journal article; Peer reviewed, 2017)
      The biodiversity working group of the Arctic Council has developed pan-Arctic biodiversity monitoring plans to improve our ability to detect, understand and report on long-term change in Arctic biodiversity. The Arctic ...
    • Identification and evaluation of 21 novel microsatellite markers from the autumnal moth (Epirrita autumnata) (Lepidoptera: Geometridae) 

      Aarnes, Siv Grethe; Fløystad, Ida; Schregel, Julia; Vindstad, Ole Petter L.; Jepsen, Jane Uhd; Eiken, Hans Geir; Ims, Rolf Anker; Hagen, Snorre (Peer reviewed, 2015)
      The autumnal moth (Epirrita autumnata) is a cyclically outbreaking forest Lepidoptera with circumpolar distribution and substantial impact on Northern ecosystems. We have isolated 21 microsatellites from the species to ...
    • Numerical responses of saproxylic beetles to rapid increases in dead wood availability following geometrid moth outbreaks in sub-arctic mountain birch forest 

      Laksforsmo Vindstad, Ole Petter; Schultze, Sabrina; Jepsen, Jane Uhd; Biuw, Erik Martin; Kapari, Lauri Teemu; Sverdrup-Thygeson, Anne; Ims, Rolf Anker (Peer reviewed, 2014)
      Saproxylic insects play an important part in decomposing dead wood in healthy forest ecosystems, but little is known about their role in the aftermath of large-scale forest mortality caused by pest insect outbreaks. We ...
    • Phenology and cover of plant growth forms predict herbivore habitat selection in a high latitude ecosystem 

      Iversen, Marianne; Fauchald, Per; Langeland, Knut; Ims, Rolf Anker; Yoccoz, Nigel Gilles; Bråthen, Kari Anne (Journal article; Peer reviewed, 2014)
      The spatial and temporal distribution of forage quality is among the most central factors affecting herbivore habitat selection. Yet, for high latitude areas, forage quantity has been found to be more important than quality. ...
    • Rangifer management controls a climate-sensitive tundra state transition 

      Bråthen, Kari Anne; Ravolainen, Virve Tuulia; Stien, Audun; Tveraa, Torkild; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)
      Rangifer (caribou/reindeer) management has been suggested to mitigate the temperature- driven transition of Arctic tundra into a shrubland state, yet how this happens is uncertain. Here we study this much focused ecosystem ...
    • Resistance of a sub-arctic bird community to severe forest damage caused by geometrid moth outbreaks 

      Laksforsmo Vindstad, Ole Petter; Jepsen, Jane Uhd; Ims, Rolf Anker (Journal article; Peer reviewed, 2015)
      Outbreaks by geometrid moths periodically cause mass mortality of trees and state changes in understorey vegetation in sub-arctic mountain birch forest in northern Scandinavia. In order to assess the short-term impacts of ...
    • Salvage logging of mountain birch after geometrid outbreaks: Ecological context determines management outcomes 

      Vindstad, Ole Petter Laksforsmo; Jepsen, Jane Uhd; Klinghardt, Moritz; Ek, Malin; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)
      Outbreaks of pest insects occasionally cause mortality of entire forest stands. Salvage logging of affected stands is the most common management response to such events. Logging may aid stand recovery by increasing the ...
    • Test av fagsystemet for økologisk tilstand. Erfaringer fra pilotprosjekter for arktisk tundra og arktisk del av Barentshavet 

      Jepsen, Jane Uhd; Arneberg, Per; Ims, Rolf Anker; Siwertsson, Anna; Yoccoz, Nigel Gilles (NINA Rapport;1674, Research report, 2019)
      Jepsen, J.U., Arneberg, P., Ims, R.A., Siwertsson, A. og Yoccoz, N.G. 2019. Test av fagsystemet for økologisk tilstand. Erfaringer fra pilotprosjekter for arktisk tundra og arktisk del av Barentshavet. NINA Rapport 1674. ...
    • Tresatt impediment og livsløpstrær av osp på hogstflater. Effektive tiltak for artsmangfoldet i norsk skog? 

      Sverdrup-Thygeson, Anne; Ims, Rolf Anker (NINA Rapport;71, Research report, 2005)
      Sverdrup-Thygeson, A. & Ims, R.A. 2005. Tresatt impediment og livsløpstrær av osp på hogstflater. Effektive tiltak for artsmangfoldet i norsk skog? - NINA Rapport 71. 56 pp. Skogbruket legger ned betydelige ressurser i ...