Browsing NINA Brage by Author "Knudsen, Rune"
Now showing items 1-6 of 6
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Fiskebiologiske undersøkelser i Limingen, Nord-Trøndelag, 2016
Sandlund, Odd Terje; Brabrand, Åge; Davidsen, Jan G.; Gjelland, Karl Øystein; Heggberget, Tor G.; Knudsen, Rune; Pettersen, Oskar; Saksgård, Laila; Sjursen, Aslak D.; Aass, Per (NINA Rapport;1334, Research report, 2017)Sandlund, O.T., Brabrand, Å., Davidsen, J.G., Gjelland, K.Ø., Heggberget, T.G., Knudsen, R., Pettersen, O., Saksgård, L., Sjursen, A. og Aass, P. 2017. Fiskebiologiske undersøkelser i Limingen, Nord-Trøndelag, 2016. - NINA ... -
Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs
Knudsen, Rune; Eloranta, Antti; Siwertsson, Anna; Paterson, Rachel A.; Power, Michael; Sandlund, Odd Terje (Peer reviewed; Journal article, 2019)Niche diversification of polymorphic Arctic charr can be altered by multiple anthropogenic stressors. The opossum-shrimp (Mysis relicta) was introduced to compensate for reduced food Resources for fish following hydropower ... -
Røye som langtidsvert og smittereservoar for Gyrodactylus salaris i Skibotnelva i Troms
Kristoffersen, Roar; Rikardsen, Audun; Winger, Anja; Adolfsen, Pål; Knudsen, Rune (NINA Rapport;36, Research report, 2005)Kristoffersen, R., Rikardsen, A. H., Winger, A. C., Adolfsen, P. & Knudsen, R. 2005. Røye som langtidsvert og smittereservoar for Gyrodactylus salaris i Skibotne/va i Troms. NINA Rapport 36. 27 s. Skibotnelva i Troms var ... -
Species interactions, environmental gradients and body size shape population niche width
Eloranta, Antti; Finstad, Anders Gravbrøt; Sandlund, Odd Terje; Knudsen, Rune; Kuparinen, Anna; Amundsen, Per-Arne (Peer reviewed; Journal article, 2021)1. Competition for shared resources is commonly assumed to restrict population-level niche width of coexisting species. However, the identity and abundance of coexisting species, the prevailing environmental conditions, ... -
Transmission dynamics of the monogenean Gyrodactylus salaris under seminatural conditions
Hendrichsen, Ditte Katrine; Kristoffersen, Roar; Gjelland, Karl Øystein; Knudsen, Rune; Kusterle, Stefan; Rikardsen, Audun H.; Henriksen, Eirik Haugstvedt; Smalås, Aslak; Olstad, Kjetil (Journal article; Peer reviewed, 2015) -
Trophic niche similarity among sea trout Salmo trutta in Central Norway investigated using different time-integrated trophic tracers
Davidsen, Jan Grimsrud; Knudsen, Rune; Power, Michael; Sjursen, Aslak Darre; Rønning, Lars; Hårsaker, Karstein; Næsje, Tor; Arnekleiv, Jo Vegar (Journal article; Peer reviewed, 2017)From 2011 to 2013, anadromous brown trout Salmo trutta (213−730 mm, total body length, LT) were collected during or shortly after their marine feeding migration at 7 different localities in central Norway. The mean volume ...