River restoration and habitat improvements in the sub-arctic river Bognelva – effects on anadromous fish

• Main Author: Bråthen Schedel, Joachim
• Format: Master Thesis
• Language: English
• Published: Norwegian University of Life Sciences, Ås 2011
• Subjects: Elverestaurering; Anadrome fiskearter; VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Catch: 925; VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Other fisheries disciplines: 929; Arktis*; Atlantic salmon; Northern Norway; Salmo salar; Salvelinus alpinus
• Online Access: http://hdl.handle.net/11250/186710

Alterations of watercourses in the form of channelization, dam building and digging of dikes has been ongoing for centuries. This has eliminated much of the vital natural variation found in rivers that is necessary for optimal fish habitat, and thus, a major cause of declines of the fish population...