Browsing NTNU Open by Author "Saltveit, Svein Jakob"
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Energetic Consequences of Stranding of Juvenile Atlantic Salmon (Salmo salar L.)
Puffer, Michael; Berg, Ole Kristian; Einum, Sigurd; Saltveit, Svein Jakob; Forseth, Torbjørn (Journal article, 2017)An effect of hydropower and hydropeaking regulation in rivers is stranding of fish. Those fishes that survive stranding may experience stranding as a stressful situation. In four experimental stranding experiments (each ... -
Fremdriftsrapport. Betydningen av utsettinger og bestandreguleringer for fiskeavkastningen i regulerte innsjøer
Langeland, Arnfinn; Braband, Åge; Saltveit, Svein Jakob; Styrvold, Jan-Olav; Raddum, Gunnar (NTNU Vitenskapsmuseet Rapport Zoologisk Serie, 0802-0833; 1980:7, Research report, 1980) -
Gytebestandsmål for laksebestander i Norge
Hindar, Ketil; Diserud, Ola; Fiske, Peder; Forseth, Torbjørn; Jensen, Arne J.; Uggedal, Ola; Jonsson, Nina; Sloreid, Svein Erik; Arnekleiv, Jo V.; Saltveit, Svein Jakob; Sægrov, , Harald; Sættem, Leif Magnus (NINA rapport;226, Research report, 2007)Denne rapporten gir forslag til gytebestandsmål for laks (Salmo salar) i 80 viktige laksevassdrag i Norge. Vassdragene er valgt ut på bakgrunn av at de er definert som – eller vurdert som – nasjonale laksevassdrag. Vi har ... -
Hydrological and thermal effects of hydropeaking on early life stages of salmonids: A modelling approach for implementing mitigation strategies
Casas-Mulet, Roser; Saltveit, Svein Jakob; Alfredsen, Knut (Journal article; Peer reviewed, 2016)Alterations in hydrological and thermal regimes can potentially affect salmonid early life stages development and survival. The dewatering of salmon spawning redds due to hydropeaking can lead to mortality in early life ... -
Hydropower operations in groundwater-influenced rivers: implications for Atlantic salmon, Salmo salar, early life stage development and survival
Casas-Mulet, Roser; Alfredsen, Knut; Brabrand, Åge; Saltveit, Svein Jakob (Journal article; Peer reviewed, 2016)During their early life stages (egg maturation, hatching, alevin development), between late autumn and early spring, young Atlantic salmon are exposed to surface-groundwater interactions in the hyporheic zone and may depend ... -
The impact of hydropeaking on juvenile brown trout (Salmo trutta) in a Norwegian regulated river
Saltveit, Svein Jakob; Brabrand, Åge; Juarez, Ana; Stickler, Morten; Dønnum, Bjørn Otto (Peer reviewed; Journal article, 2020)The Norwegian electrical energy supply system is based on hydropower. The now deregulated energy market has led to increased use of hydropeaking production, leading to greater fluctuations in discharge and water levels ... -
Raske vannstandsendringer i elver - Virkninger på fisk, bunndyr og begroing
Harby, Atle; Alfredsen, Knut; Arnekleiv, Jo Vegar; Flodmark, Lars Erik Wilhelm; Halleraker, Jo Halvard; Johansen, Stein W; Saltveit, Svein Jakob (SINTEF Rapport;, Research report, 2004) -
Survival of eggs of Atlantic salmon (Salmo salar) in a drawdown zone of a regulated river influenced by groundwater
Casas-Mulet, Roser; Alfredsen, Knut; Brabrand, Åge; Saltveit, Svein Jakob (Journal article; Peer reviewed, 2015)Groundwater may create refuges for Atlantic salmon egg survival during low flows in regulated rivers and thus play an important role for survival during winter. To investigate the links between the survival of salmon embryos ... -
The Survival of Atlantic Salmon (Salmo salar) Eggs During Dewatering in a River Subjected to Hydropeaking
Casas-Mulet, Roser; Saltveit, Svein Jakob; Alfredsen, Knut (Journal article; Peer reviewed, 2015)Hydropeaking in regulated rivers is likely to become more frequent with increasing demands for renewable energy. Sudden fluctuations affect surface and subsurface flow regimes and change hydrological interactions occurring ...