Blar i Published externally på forfatter "Calles, Olle"
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Behavior of trap-and-transported Atlantic salmon spawners of hatchery origin in the Daugava River system (Latvia)
Nyqvist, Daniel; Zagars, Matiss; Calles, Olle; Comoglio, Claudio (Journal article; Peer reviewed, 2019)Where migrating fish have to pass multiple dams, very high passage performance is required at the series of obstacles to avoid accumulated negative effects of multiple dam passage. In some rivers, migrating fish are trapped, ...