Browsing Skriftserien fra Universitetet i Sørøst-Norge by Author "Alfredsen, Knut"
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Be cool: hydro-physical changes and fish responses in winter in hydropower-regulated northern streams
Heggenes, Jan; Alfredsen, Knut; Adeva Bustos, Ana; Huusko, Ari (Research report, 2016-06-21)In the seasonal climates of northern Europe and North America, winter is considered a particularly ecologically challenging season for aquatic organisms in natural streams. They experience reduced flow and freezing in ... -
Stay cool : temperature changes and biological responses in hydropower-regulated northern stream systems
Heggenes, Jan; Alfredsen, Knut; Brittain, John E.; Adeva Bustos, Ana; Huusko, Ari; Stickler, Morten (Publication series from University College of Southeast Norway;21, Research report, 2018-01-17)In the seasonal climates of northern Europe and North America, water temperature variations are ecologically challenging for aquatic organisms in natural streams. In winter, low water temperature and ice conditions becall ...