Lotic ecosystems worldwide are being degraded by human activities, with severe consequences for stream biota. River restoration has gained momentum over the last decade, but many projects lack the long-term monitoring ...

Total dissolved gas supersaturation from dams and power stations is a chronic freshwater pollutant that is toxic to animals with aquatic respiration. Laboratory ecotoxicology experiments have revealed capacity for captive ...

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 ...

This was an acoustic telemetry study investigating lacustrine habitat utilization of anadromous population of Arctic charr (Salvelinus alpinus) located in Storvatnet in Hammerfest multiplicity northern Norway. Arctic charr’s ...

Aquatic macrophytes play an important role in freshwater ecosystems. They are primary producers, promote good water quality, and provide food and habitats for various organisms, including fish. When macrophytes have ...

Menneskelige inngrep er en av de største truslene mot jordens fauna, og slike trusler har også medført at bestanden av sjøørret (Salmo trutta L.) i Norge er sterkt redusert sammenlignet med tidligere. Lakselus ansees som ...

Vandringshindre og forringelse av habitat oppstår ofte i forbindelse med utbygging av infrastruktur og aktivt jordbruk. Dette kan føre til uegnet habitat for sjøørreten (Salmo trutta), eller at muligheten til å fullføre ...