Blar i Norsk institutt for naturforskning på tidsskrift "ICES Journal of Marine Science"

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    • Escaped farmed Atlantic salmon in Norwegian rivers during 1989–2013 

      Diserud, Ola Håvard; Fiske, Peder; Sægrov, Harald; Urdal, K.; Aronsen, Tonje; Lo, Håvard; Barlaup, Bjørn Torgeir; Niemela, Eero; Orell, P.; Erkinaro, J.; Lund, Roar A.; Økland, Finn; Østborg, Gunnel Marie; Hansen, Lars Petter; Hindar, Kjetil (Journal article; Peer reviewed, 2019)
      We report on the data from an extensive monitoring programme for the occurrence of escaped farmed Atlantic salmon (Salmo salar) in Norwegian rivers for 25 years. This monitoring started as a 3-year research programme in ...

    • European eel Anguilla anguilla compromise speed for safety in the early marine spawning migration 

      Lennox, Robert J.; Økland, Finn; Mitamura, Hiromichi; Cooke, Steven J.; Thorstad, Eva Bonsak (Journal article; Peer reviewed, 2018)
      There are substantial benefits to potential fitness conferred to animals that undertake migrations. However, animals must make compromises to maximize survival and compensate for the risks associated with long-distance ...

    • Evaluation of genetic effects on wild salmon populations from stock enhancement 

      Hagen, Ingerid Julie; Ugedal, Ola; Jensen, Arne Johan; Lo, Håvard; Holthe, Espen; Bjøru, Bjørn; Florø-Larsen, Bjørn; Sægrov, Harald; Skoglund, Helge; Karlsson, Sten (Peer reviewed; Journal article, 2020)
      Many salmonid populations are of conservation concern, and the release of hatchery-produced juveniles is a frequently used measure to alleviate declines and increase harvest opportunities. While such releases may be of ...

    • The evolving story of catadromy in the European eel (Anguilla anguilla) 

      Durif, Caroline; Arts, M.; Bertolini, F.; Cresci, Alessandro; Daverat, F.; Karlsbakk, Egil Erlingsson; Koprivnikar, J.; Moland, Even; Olsen, Esben Moland; Parzanini, C.; Power, M.; Rohtla, Mehis; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Browman, Howard (Peer reviewed; Journal article, 2023)
      Anguillid eels were once considered to be the classic example of catadromy. However, alternative life cycles have been reported, including skipping the freshwater phase and habitat shifting between fresh, brackish, and ...

    • Implications of fisheries impacts to seabed biodiversity and ecosystem-based management 

      Thrush, Simon F.; Ellingsen, Kari Elsa; Davis, Kathryn (Journal article; Peer reviewed, 2016)

    • Long-term variation in numbers and biomass of silver eels being produced in two European river systems 

      Poole, W. Russell; Diserud, Ola Håvard; Thorstad, Eva Bonsak; Durif, Caroline; Dolan, Conor; Sandlund, Odd Terje; Bergesen, Knut Aanestad; Rogan, Gerard; Kelly, Sean D.; Vøllestad, Leif Asbjørn (Journal article; Peer reviewed, 2018)
      The European eel (Anguilla anguilla) population has been in decline at least since the 1960s and reliable regional information, particularly on the spawner production and escapement (i.e. the silver eel life stage), is a ...

    • Natural and anthropogenic drivers of escaped farmed salmon occurrence and introgression into wild Norwegian Atlantic salmon populations 

      Diserud, Ola Håvard; Fiske, Peder; Karlsson, Sten; Glover, Kevin Alan; Næsje, Tor; Aronsen, Tonje; Bakke, Gunnar O; Barlaup, Bjørn Torgeir; Erkinaro, J.; Florø-Larsen, Bjørn; Foldvik, Anders; Heino, Mikko Petteri; Kanstad-Hanssen, Øyvind; Lo, Håvard; Lund, Roar Asbjørn; Muladal, R.; Niemela, E.; Økland, Finn; Østborg, Gunnel Marie; Otterå, Håkon Magne; Skaala, Øystein; Skoglund, Helge; Solberg, Ingrid; Solberg, Monica Favnebøe; Sollien, Vegard Pedersen; Sægrov, Harald; Urdal, Kurt; Wennevik, Vidar; Hindar, Kjetil (Peer reviewed; Journal article, 2022)
      Marine aquaculture of Atlantic salmon (Salmo salar) is a relatively new industry where breeding programs have led to rapid genetic change in the captive populations that were built up alongside conspecific wild individuals. ...

    • The quest for successful Atlantic salmon restoration: perspectives, priorities, and maxims 

      Lennox, Robert; Alexandre, Carlos M; Almeida, Pedro R; Bailey, Kevin M.; Barlaup, Bjørn Torgeir; Bøe, Kristin; breukelaar, Andre; Erkinaro, Jaakko; Forseth, Torbjørn; Gabrielsen, Sven-Erik; Halfyard, Edmund; Hanssen, Erlend Mjelde; Karlsson, Sten; Koch, Stephanie; Koed, Anders; Langåker, Roy, M; Lo, Håvard; Lucas, Martyn C.; Mahlum, Shad Kenneth; Perrier, Charles; Pulg, Ulrich; Sheehan, Timothy F.; Skoglund, Helge; Svenning, Martin; Thorstad, Eva Bonsak; Velle, Gaute; Whoriskey, Frederick G.; Vollset, Knut (Peer reviewed; Journal article, 2021)
      Atlantic salmon is often a focal species of restoration efforts throughout the north Atlantic and it is therefore an excellent case study for how best to design programmes to address and mitigate threats and correct ...

    • Trawling disturbance on megabenthos and sediment in the Barents Sea: Chronic effects on density, diversity, and composition 

      Buhl-Mortensen, Lene; Ellingsen, Kari Elsa; Buhl-Mortensen, Pål; Skaar, Kristian Landmark; Gonzalez-Mirelis, Genoveva (Journal article; Peer reviewed, 2016)
      Bottom-trawl fisheries are expanding into deeper habitats and higher latitudes, but our understanding of their effects in these areas is limited. The ecological importance of habitat-forming megabenthos and their vulnerability ...

    • Widespread genetic introgression of escaped farmed Atlantic salmon in wild salmon populations 

      Karlsson, Sten; Diserud, Ola H.; Fiske, Peder; Hindar, KJetil (Peer reviewed; Journal article, 2016)
      Farmed Atlantic salmon (Salmo salar) escape from net pens and enter rivers to spawn, potentially resulting in genetic introgression and reduced fitness of wild salmon. Here, we quantify genetic introgression of farmed to ...