Havn, Torgeir Børresen; Thorstad, Eva Bonsak; Borcherding, Jost; Heermann, Lisa; Teichert, Maxim A. K.; Ingendahl, Detlev; Tambets, Meelis; Sæther, Stein Are; Økland, Finn (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-02-10)
Weirs are barriers built across rivers for a wide range of other purposes than
hydropower production. Like hydropower installations, weirs can negatively
impact fish migrations. Downstream migration and mortality of Atlantic salmon
smolts were studied during passage of a weir and power station by tagging
227 smolts with radio transmitters. Extra loss of smolts due to the weir and adjacent
reservoir ...