Blar i NIVA Open Access Archive på forfatter "Vøllestad, Leif Asbjørn"

Viser treff 1-6 av 6

    • Individual heterogeneity and early life conditions shape growth in a freshwater top predator 

      Nater, Chloé Rebecca; Rustadbakken, Atle; Ergon, Torbjørn; Langangen, Øystein; Moe, S. Jannicke; Vindenes, Yngvild; Vøllestad, Leif Asbjørn; Aass, Per (Journal article; Peer reviewed, 2018)
      Body size can have profound impacts on survival, movement, and reproductive schedules shaping individual fitness, making growth a central process in ecological and evolutionary dynamics. Realized growth is the result of a ...

    • Long-term mark-recapture and growth data for large-sized migratory brown trout (Salmo trutta) from Lake Mjøsa, Norway 

      Moe, S. Jannicke; Nater, Chloé Rebecca; Rustadbakken, Atle; Vøllestad, Leif Asbjørn; Lund, Espen; Qvenild, Tore; Hegge, Ola; Aass, Per (Peer reviewed; Journal article, 2020)
      Long-term data from marked animals provide a wealth of opportunities for studies with high relevance to both basic ecological understanding and successful management in a changing world. The key strength of such data is ...

    • Predation of Atlantic salmon across ontogenetic stages and impacts on populations 

      Falkegård, Morten; Lennox, Robert; Thorstad, Eva Bonsak; Einum, Sigurd; Fiske, Peder; Garmo, Øyvind Aaberg; Garseth, Åse Helen; Skoglund, Helge; Solberg, Monica Favnebøe; Utne, Kjell Rong; Vollset, Knut; Vøllestad, Leif Asbjørn; Wennevik, Vidar; Forseth, Torbjørn (Peer reviewed; Journal article, 2023)
      Managers and stakeholders increasingly ask whether predation is a driving force behind the poor status of many species, and whether predator control is likely to be a successful management action to intervene. We review ...

    • Size‐ and stage‐dependence in cause‐specific mortality of migratory brown trout 

      Nater, Chloe Rebecca; Vindenes, Yngvild; Aas, Per; Cole, Diana; Langangen, Øystein; Moe, S. Jannicke; Rustadbakken, Atle; Turek, Daniel; Vøllestad, Leif Asbjørn; Ergon, Torbjørn (Peer reviewed; Journal article, 2020)
      Evidence‐based management of natural populations under strong human influence frequently requires not only estimates of survival but also knowledge about how much mortality is due to anthropogenic vs. natural causes. This ...

    • The major threats to Atlantic salmon in Norway 

      Forseth, Torbjørn; Barlaup, Bjørn Torgeir; Finstad, Bengt; Fiske, Peder; Gjøsæter, Harald; Falkegård, Morten; Hindar, Atle; Mo, Tor Atle; Rikardsen, Audun H.; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Wennevik, Vidar (Journal article; Peer reviewed, 2017)
      Atlantic salmon (Salmo salar) is an economically and culturally important species. Norway has more than 400 watercourses with Atlantic salmon and supports a large proportion of the world’s wild Atlantic salmon. Atlantic ...

    • Towards a future without stocking: harvest and river regulation determine long-term population viability of migratory salmonids 

      Nater, Chloe Rebecca; Stubberud, Marlene Wæge; Langangen, Øystein Ole Gahr; Rustadbakken, Atle; Moe, S. Jannicke; Ergon, Torbjørn; Vøllestad, Leif Asbjørn; Vindenes, Yngvild (Peer reviewed; Journal article, 2021)
      Freshwater species are particularly vulnerable to emerging threats linked to climate change because they are often already heavily impacted by habitat destruction, pollution, and exploitation. For many harvested populations ...