Blar i NTNU Vitenskapsmuseet (VM) på forfatter "Ugedal, Ola"
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Biologiske undersøkelser i Altaelva 1981-2006. Oppsummering av kraftreguleringens konsekvenser for laksebestanden
Ugedal, Ola; Thorstad, Eva B.; Finstad, Anders G.; Fiske, Peder; Forseth, Torbjørn; Hvidsten, Nils Arne; Jensen, Arne J.; Koksvik, Jan Ivar; Reinertsen, Helge; Saksgård, Laila; Næsje, Tor F. (NINA rapport;, Research report, 2007)Nøkkelord : kraftregulering, Altaelva, Finnmark, laks, laksefangster, ungfisktetthet, vinterdødelighet, smoltproduksjon, bunnfauna, begroing -
Biologiske undersøkelser i Altaelva 2004
Ugedal, Ola; Thorstad, Eva B.; Næsje, Tor F.; Reinertsen, Helge; Koksvik, Jan Ivar; Saksgård, Laila; Hvidsten, Nils Arne; Blom, Hans H.; Fiske, Peder; Jensen, Arne J. (NINA-rapport;43, Research report, 2005)Altaelva er ei av Norges beste elver for sportsfiske etter laks. Elva har en storvokst laksestamme, og en unik kultur og historie knyttet til laksefisket. Stortinget vedtok å utbygge og regulere elva for kraftproduksjon i ... -
Development of a risk assessment for sea trout in coastal areas exploited for aquaculture
Finstad, Bengt; Sandvik, Anne Dagrun; Ugedal, Ola; Vollset, Knut; Karlsen, Ørjan; Davidsen, Jan Grimsrud; Sægrov, Harald; Lennox, Robert J. (Peer reviewed; Journal article, 2021)ABSTRACT: The regulation of aquaculture production in Norway considers the potential impact of salmon lice on wild fish. However, most attention has been focused on impacts on wild Atlantic salmon, despite the fact that ... -
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 ... -
Modelling climate change effects on Atlantic salmon: Implications for mitigation in regulated rivers
Sundt-Hansen, Line Elisabeth Breivik; Hedger, Richard David; Ugedal, Ola; Diserud, Ola Håvard; Finstad, Anders Gravbrøt; Sauterleute, Julian Friedrich; Tøfte, Lena S; Alfredsen, Knut; Forseth, Torbjørn (Journal article; Peer reviewed, 2018)Climate change is expected to alter future temperature and discharge regimes of rivers. These regimes have a strong influence on the life history of most aquatic river species, and are key variables controlling the growth ...