Does tunnel wash water have an impact on vital rates and displacement of Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) in river Årungselva

• Main Author: Dahle, Amund
• Other Authors: Haugen, Thrond Oddvar
• Format: Master Thesis
• Language: English
• Published: Norwegian University of Life Sciences, Ås 2021
• Subjects: Atlantic salmon; Salmo trutta; Brown trout; Salmo salar; Norway; Verdier; Merket; Veier; Follo; Nordby
• Online Access: https://hdl.handle.net/11250/2835953

Earlier studies on runoff water from roads and tunnels have demonstrated that such water hold toxic substances that can be harmful to aquatic biota. River Årungselva, which flows into the inner part of Bunnefjorden close to Oslo, Norway, receives discharges from the Vassum sedimentation pond, which...