Now showing items 2695-2714 of 3611

    • Restoration of fish migration in the Danube River at Iron Gate Dams in Romania and Serbia. Studies of fish behaviour in 2019 and 2021 

      Paraschiv, Marian; Økland, Finn; Lenhardt, Mirjana; Paterson, Rachel A.; Hont, Stefan; Cvijanovic, Gorcin; Havn, Torgeir B.; Iani, Marian; Smederevac-Lalic, Marija; Nikčević, Miroslav; Neacșu, Nicușor; Nikolić, Dušan; Thorstad, Eva B. (NINA Rapport;2030, Research report, 2021)
      Paraschiv, M., Økland, F., Lenhardt, M., Paterson, R.A., Hont, S., Cvijanovic, G., Havn, T.B., Iani, M., Smederevac-Lalic, M., Nikčević, M., Neacșu, N., Nikolić, D. & Thorstad, E.B. 2021. Restoration of fish migration in ...
    • Restoration of transborder connectivity for Fennoscandian brown bears (Ursus arctos) 

      Kopatz, Alexander; Kleven, Oddmund; Kojola, Ilpo; Aspi, Jouni; Norman, Anita J.; Spong, Göran; Gyllenstrand, Niclas; Dalén, Love; Fløystad, Ida; Hagen, Snorre; Kindberg, Jonas; Flagstad, Øystein (Peer reviewed; Journal article, 2021)
      Knowledge about the connectivity among natural populations is essential to identify management units for effective conservation actions. Conservation-minded management has led to the recovery of large carnivore populations ...
    • Restoration potential of old dams in Norway. A pilot study of occurrence, characteristics and restoration po-tential in watercourses with anadromous and resident fish stocks. 

      Eloranta, Antti; Thomassen, Gaute; Bergan, Morten Andre; Andersen, Oddgeir; Gregersen, Finn (NINA Rapport;1628, Research report, 2019)
      Eloranta, A., Thomassen, G., Bergan, M.A., Andersen, O. & Gregersen, F. 2019. Restoration potential of old dams in Norway. A pilot study of occurrence, characteristics and restoration potential in watercourses with anadromous ...
    • Resultater frafeltundersøkelser og problemkartlegging av sidevassdrag til Orkla. Kunnskapsgrunnlag for beregning av tapt areal og tiltaksforslag forsjøørretbekker i Orkla 

      Solem, Øyvind; Bergan, Morten André; Ulvan, Eva Marita; Berg, Marius; Holthe, Espen; Havn, Torgeir Børresen; Jensås, Jan Gunnar; Krogdahl, Rune; Lykkja, Odd; Bakkestuen, Vegar (NINA Rapport;1798, Research report, 2021)
      Solem, Ø., Bergan, M.A., Ulvan, E.M., Berg, M., Holthe, E., Havn, T.B., Jensås, J.G., Krogdahl, R., Lykkja, O. & Bakkestuen, V. 2021. Resultater fra feltundersøkelser og problemkartlegging av sidevassdrag til Orkla. ...
    • Results and lessons learned after eight years of monitoring gill net catches in the Zambezi and Chobe rivers 2010-2018 

      Hay, Clinton J.; Næsje, Tor F.; Jacobs, Francois J.; Simasiku, Evans K.; Tweddle, Denis (NINA Report;1791, Research report, 2020)
      Hay, CJ, Næsje, TF, Jacobs, FJ, Simasiku, EK, Tweddle, D. 2020. Results and lessons learned after eight years of monitoring gillnet catches in the Zambezi and Chobe Rivers. NINA Report 1791. Norwegian Institute for Nature ...
    • Retrospective growth analysis of the dwarf shrub Cassiope tetragona allows local estimation of vascular plant productivity in high arctic Svalbard 

      Milner, Jos M.; Stien, Audun; Wal, Rene van der (Journal article; Peer reviewed, 2018)
      Question: Vascular plant productivity of arctic tundra has often been viewed as varying little between years and thus being largely insensitive to the high inter-annual variation in summer weather conditions. Yet, ...
    • The return of large carnivores: Using hunter observation data to understand the role of predators on ungulate populations 

      Tallian, Aimee Grace; Ordiz Fernandez, Andres Avelino; Zimmermann, Barbara; Sand, Håkan; Wikenros, Camilla; Wabakken, Petter; Bergqvist, Göran; Kindberg, Jonas (Peer reviewed; Journal article, 2021)
      Large carnivores play a key ecological role in nature, yet quantifying the effects of predation at large spatiotemporal scales remains challenging. Wolves and brown bears have recovered in Sweden, where they share the same ...
    • Revealing hidden insect–fungus interactions; moderately specialized, modular and anti-nested detritivore networks 

      Jacobsen, Rannveig Margrete; Sverdrup-Thygeson, Anne; Kauserud, Håvard; Birkemoe, Tone (Journal article; Peer reviewed, 2018)
      Ecological networks are composed of interacting communities that influence ecosystem structure and function. Fungi are the driving force for ecosystem processes such as decomposition and carbon sequestration in terrestrial ...
    • Revealing the full ocean migration of individual Atlantic salmon 

      Strøm, John Fredrik; Thorstad, Eva Bonsak; Hedger, Richard David; Rikardsen, Audun H. (Journal article; Peer reviewed, 2018)
      Knowledge of the complete horizontal migration and vertical movements of Atlantic salmon (Salmo salar L.) during the marine phase is important for understanding the link between individual processes and population recruitment. ...
    • A review of circumpolar moose populations with emphasis on Eurasian moose distribution and densities 

      Jensen, William F.; Rea, Roy V.; Penner, Colin E.; Smith, Jason R.; Bragina, Eugenia V.; Razenkova, Elena; Balčiauskas, Linas; Bao, Heng; Bystiansky, Stanislav; Csányi, Sándor; Chovanova, Zuzana; Done, Gundega; Hackländer, Klaus; Heurich, Marco; Jiang, Guangshun; Kazarez, Alexander; Pusenius, Jyrki; Solberg, Erling Johan; Veeroja, Rauno; Widemo, Fredrik (Peer reviewed; Journal article, 2020)
      Alces alces, Asia, distribution, Eurasian elk, Europe, GIS, harvest, moose, population density
    • A review of reindeer (Rangifer tarandus tarandus) disturbance research in Northern Europe: towards a social-ecological framework? 

      Gundersen, Vegard; Myrvold, Knut Marius; Kaltenborn, Bjørn Petter; Strand, Olav; Kofinas, Gary (Peer reviewed; Journal article, 2022)
      Disturbance of wild reindeer from human activity is a key challenge for wildlife management. We reviewed recent literature on reindeer disturbance in Northern Europe and discuss a major lacuna in this field of research, ...
    • Revised first generation spawning targets for the Tana/Teno river system 

      Falkegård, Morten; Foldvik, Anders; Fiske, Peder; Erkinaro, Jaakko; Orell, Panu; Niemelä, Eero; Kuusela, Jorma; Finstad, Anders; Hindar, Kjetil (NINA Rapport;1087, Research report, 2014)
      Falkegård, M., Foldvik, A., Fiske, P., Erkinaro, J., Orell, P., Niemelä, E., Kuusela, J., Finstad, A.G. & Hindar, K. 2014. Revised first generation spawning targets for the Tana/Teno river system. - NINA Report 1087. 68 ...
    • Right on track? Performance of satellite telemetry in terrestrial wildlife research 

      Hofman, M.P.G.; Hayward, M.W.; Heim, Morten; Marchand, P.; Rolandsen, Christer Moe; Mattisson, Jenny; Urbano, Ferdinando; Heurich, Marco; Mysterud, Atle; Melzheimer, Jörg; Morellet, Nicolas; Voigt, Ulrich; Allen, B.L.; Gehr, B.; Rouco, C.; Ullmann, W.; Holand, Øystein; Jørgensen, Nicolai Hermann; Steinheim, Geir; Cagnacci, Fransesca; Kroeschel, Max; Kaczensky, Petra; Buuveibaatar, Bayarbaatar; Payne, J.C.; Palmegiani, I.; Jerina, K.; Kjellander, P.; Johansson, Ö.; LaPoint, S.; Bayrakcismith, R.; Linnell, John Durrus; Zaccaroni, M.; Jorge, M.L.S.; Oshima, J.E.F.; Songhurst, A.; Fischer, C.; Mc Bride Jr., R.T.; Thompson, J.J.; Streif, S.; Sandfordt, R.; Bonenfant, Christophe; Drouilly, M.; Klapproth, M.; Zinner, D.; Yarnell, R.; Stronza, A.; Wilmott, L.; Meisingset, Erling L.; Thaker, M.; Vanak, A.T.; Odden, John (Journal article; Peer reviewed, 2019)
      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 ...
    • Ringtest av krepsdyrundersøkelser i Norge 

      Jensen, Thomas Correll; Walseng, Bjørn; Schartau, Ann Kristin; Brekke, Erling; Hobæk, Anders; Hårsaker, Karstein; Skautvedt, Elisabeth; Stabell, Trond (NINA Rapport;1872, Research report, 2020)
      Jensen T.C., Walseng B., Schartau A.K., Brekke E., Hobæk A., Hårsaker K., Skautvedt E., Stabell T. 2020. Ringtest av krepsdyrundersøkelser i Norge. NINA Rapport 1872. Norsk institutt for naturforskning. Krepsdyr tilhørende ...
    • Risiko for spredning av Gyrodactylus salaris fra Vänern og Klarälven til norske vassdrag ved reetablering av laks i Trysil- / Femundselva 

      Olstad, Kjetil; Hytterød, Sigurd; Hansen, Haakon (NINA Rapport;991, Research report, 2013)
      Prosjektet ”Vänerlaksens fria gång” er et Interregprosjekt initiert av svenske og norske miljø-vernmyndigheter. Målsettingen med prosjektet er å utrede mulighetene for å styrke (svensk side) og reetablere (norsk side) ...
    • Risikovurdering av import av delvis skotsk laks fra Skottland til akvakultur i Norge 

      Karlsson, Sten; Hindar, Kjetil (NINA Kortrapport;54, Research report, 2017)
      Karlsson, S. og Hindar, K. 2017. Risikovurdering av import av delvis skotsk laks fra Skottland til akvakultur i Norge. – NINA Kortrapport 54. 24 s. • Norsk villaks består av to adskilte genetiske grupper. Skotsk villaks ...
    • Risikovurdering for spredning av fremmede ferskvannsfisk til vannregioner i Norge 

      Bærum, Kim Magnus; Blumentrath, Stefan; Hesthagen, Trygve; Magnussen, Kristin; Navrud, Ståle (NINA Rapport;2066, Research report, 2022)
      Bærum, K.M., Blumentrath, S., Hesthagen, T., Magnussen, K. & Navrud, S. 2022. Risikovurdering for spredning av fremmede ferskvannsfisk til vannregioner i Norge. NINA Rapport 2066. Norsk institutt for naturforskning. Fremmede ...
    • A risk assessment of the effects of mercury on Baltic Sea, Greater North Sea and North Atlantic wildlife, fish and bivalves 

      Dietz, Rune; Fort, Jérôme; Sonne, Christian; Albert, Céline; Bustnes, Jan Ove; Christensen, Thomas Kjær; Ciesielski, Tomasz Maciej; Danielsen, Jóhannis; Dastnai, Sam; Eens, Marcel; Erikstad, Kjell E; Galatius, Anders; Garbus, Svend-Erik; Gilg, Oliver; Hanssen, Sveinn Are; Helander, Björn; Helberg, Morten; Jaspers, Veerle; Jenssen, Bjørn Munro; Jónsson, Jón Einar; Kauhala, Kaarina; Kolbeinsson, Yann; Kyhn, Line A.; Labansen, Aili Lage; Larsen, Martin M.; Lindstrøm, Ulf; Reiertsen, Tone Kristin; Rigét, Frank F.; Roos, Anna; Strand, Jakob; Strøm, Hallvard; Søndergaard, Jens; Sun, Jiachen; Teilmann, Jonas; Therkildsen, Ole Roland; Thórarinsson, Thorkell Lindberg; Tjørnløv, Rune Skjold; Wilson, Simon; Eulaers, Igor (Peer reviewed; Journal article, 2020)
      A wide range of species, including marine mammals, seabirds, birds of prey, fish and bivalves, were investigated for potential population health risks resulting from contemporary (post 2000) mercury (Hg) exposure, using ...
    • A river runs through the landscape: Everyday use in an ever changing environment 

      Gundersen, Vegard; Skår, Margrete; Flemsæter, Frode; Köhler, Berit (Peer reviewed; Journal article, 2021)
      The meaning of riverine landscapes to society has evolved to serve our ever-changing needs, from harvesting and transporting resources to arenas for outdoor recreation and contemplation. From the 18th century, rivers have ...
    • Road effects on benthic macroinvertebrate assemblages in boreal headwater streams 

      Petrin, Zlatko; Jensen, Thomas Correll; Lungrin, Elina; Eikland, Knut Andreas (Peer reviewed; Journal article, 2022)
      Roads constitute a worldwide network of ecological barriers traversing countless streams and rivers. A large fraction of the land area lies in close proximity to roads. Ecological effects of roads likely extend well beyond ...