• Effects of water level regulation in alpine hydropower reservoirs: an ecosystem perspective with a special emphasis on fish 

      Hirsch, Philipp E.; Eloranta, Antti; Amundsen, Per-Arne; Brabrand, Åge; Charmasson, Julie; Helland, Ingeborg Palm; Power, Michael John; Sanchez-Hernandez, Javier; Sandlund, Odd Terje; Sauterleute, Julian Friedrich; Skoglund, Sigrid Østrem; Ugedal, Ola; Yang, Hong (Journal article; Peer reviewed, 2017)
      Sustainable development of hydropower demands a holistic view of potential impacts of water level regulation (WLR) on reservoir ecosystems. Most environmental studies of hydropower have focused on rivers, whereas environmental ...
    • European catfsh (Silurus glanis) as a freshwater apex predator drives ecosystem via its diet adaptability 

      Vejřík, Lukáš; Vejříková, Ivana; Blabolil, Petr; Eloranta, Antti; Kočvara, Luboš; Peterka, Jiří; Sajdlová, Zuzana; The Chung, Son Hoang; Šmejkal, Marek; Kiljunen, Mikko; Cech, Martin (Journal article; Peer reviewed, 2017)
      Apex predators play a key role in ecosystem stability across environments but their numbers in general are decreasing. By contrast, European catfish (Silurus glanis), the European freshwater apex predator, is on the increase. ...
    • Fiskebiologiske undersøkelser i Eikesdalsvatnet høsten 2009 

      Hesthagen, Trygve; Saksgård, Randi; Sandlund, Odd Terje; Eloranta, Antti (NINA Rapport;578, Research report, 2009)
      Rapporten omhandler resultatene av de fiskebiologiske undersøkelsene i Eikesdalsvatnet høsten 2009. Dette er en av våre største og dypeste kystnære innsjøer, med et middel- og maksimum dyp på henholdsvis 89 og 155 m. ...
    • Fiskesamfunnet i Aursunden, Røros kommune. Effekter av fem år med tynningsfiske etter sik 

      Johnsen, Stein I.; Sandlund, Odd Terje; Eloranta, Antti; Gjelland, Karl Øystein; Bærum, Kim Magnus; Dokk, John Gunnar; Bækkelie, Knut Andreas E. (NINA Rapport;1517, Research report, 2019)
      Johnsen. S.I., Sandlund, O.T., Eloranta, A., Gjelland, K.Ø., Bærum, K.M., Dokk, J.G. & Bækkelie, K.A.E. 2019. Fiskesamfunnet i Aursunden, Røros kommune - Effekter av fem år med tynningsfiske etter sik. NINA Rapport 1517. ...
    • Fiskesamfunnet i Storsjøen i 2016. Effekter av reguleringsinngrep, fiske og introdusert krøkle 

      Museth, Jon; Johnsen, Stein I.; Eloranta, Antti; Sandlund, Odd Terje; Linløkken, Arne; Bærum, Kim Magnus; Dokk, John Gunnar (NINA Rapport;1374, Research report, 2017)
      Museth, J., Johnsen, S. I., Eloranta, A., Sandlund, O.T., Linløkken, A., Bærum, K. M. og Dokk, J. G. 2017. Fiskesamfunnet i Storsjøen i 2016. Effekten av reguleringsinngrep, fiske og introdusert krøkle. NINA Rapport 1374. ...
    • Hydropower impacts on reservoir fish populations are modified by environmental variation 

      Eloranta, Antti; Finstad, Anders Gravbrøt; Helland, Ingeborg Palm; Ugedal, Ola; Power, Michael (Journal article; Peer reviewed, 2018)
      Global transition towards renewable energy production has increased the demand for newand more flexible hydropower operations. Beforemanagement and stakeholders can make informed choices on potential mitigations, it is ...
    • Introduced European smelt (Osmerus eperlanus) affects food web and fish community in a large Norwegian lake 

      Eloranta, Antti; Johnsen, Stein Ivar; Power, Michael; Bærum, Kim Magnus; Sandlund, Odd Terje; Finstad, Anders Gravbrøt; Rognerud, Sigurd; Museth, Jon (Journal article; Peer reviewed, 2018)
      Invasive and introduced fishes can affect recipient ecosystems and native species via altered competitive and predatory interactions, potentially leading to top-down and bottom-up cascading impacts. Here, we describe a ...
    • 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, 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 ...
    • Macrophytes shape trophic niche variation among generalist fishes 

      Vejříková, Ivana; Eloranta, Antti; Vejřík, Lukáš; Šmejkal, Marek; Cech, Martin; Sajdlová, Zuzana; Frouzova, Jaroslava; Kiljunen, Mikko; Peterka, Jiří (Journal article; Peer reviewed, 2017)
      Generalist species commonly have a fundamental role in ecosystems as they can integrate spatially distinct habitats and food-web compartments, as well as control the composition, abundance and behavior of organisms at ...
    • Metodeutvikling: overvåking av fisk i store innsjøer (FIST) i 2016 

      Gjelland, Karl Øystein; Sandlund, Odd Terje; Andersen, Oddgeir; Bremset, Gunnbjørn; Bækkelie, Knut Andreas E.; Davidsen, Jan Grimsrud; Eloranta, Antti; Pettersen, Oskar; Rønning, Lars; Rustbakken, Atle; Saksgård, Laila; Saksgård, Randi; Sjursen, Aslak Darre (NINA Rapport;1573, Research report, 2018)
      Gjelland, K.Ø., Sandlund, O.T., Andersen, O., Bremset, G., Bækkelie, K.A.E., Davidsen, J.G., Eloranta, A., Pettersen, O., Rønning, L., Rustadbakken, A., Saksgård, L., Saksgård, R. & Sjursen, A.D. 2017. Metodeutvikling: ...
    • Overvåking av fisk i store innsjøer (FIST) i 2017 

      Gjelland, Karl Øystein; Sandlund, Odd Terje; Postler, Christoph; Bækkelie, Knut Andreas; Eloranta, Antti; Pettersen, Oskar; Solberg, Ingrid; Saksgård, Randi (NINA Rapport;1644, Research report, 2019)
      Saksgård, R. 2018. Overvåking av fisk i store innsjøer (FIST) i 2017. NINA Rapport 1644. Norsk institutt for naturforskning. De seks innsjøene Eikesdalsvatnet, Hornindalsvatnet, Vangsvatnet, Lundevatnet, Byglandsfjor den ...
    • 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 ...
    • Stable isotopes and gut contents indicate differential resource use by coexisting asp (Leuciscus aspius) and pikeperch (Sander lucioperca) 

      Vašek, Mojmír; Eloranta, Antti; Vejříková, Ivana; Blabolil, Petr; Říha, Milan; Jůza, Tomáš; Šmejkal, Marek; Matěna, Josef; Kubečka, Jan; Peterka, Jiří (Journal article; Peer reviewed, 2018)
      Differential use of habitat and prey resources is an important mechanism that may allow coexistence of sympatric species. Unlike interactions between smaller cyprinid and percid fishes, the resource use by coexisting ...
    • Trophic ecology of piscivorous Arctic charr (Salvelinus alpinus (L.)) in subarctic lakes with contrasting food-web structures 

      Kahilainen, Kimmo Kalevi; Thomas, Stephen; Harrod, Chris; Hayden, Brian; Eloranta, Antti (Journal article; Peer reviewed, 2018)
      The trophic ecology of piscivorous Arctic charr (Salvelinus alpinus (L.); charr) in the food webs of large subarctic lakes is not well understood. We assessed charr diets, parasites, growth, maturity, and stable isotope ...