Browsing NINA Brage by Author "Kärgenberg, Einar"
Now showing items 1-5 of 5
-
Annual and diel activity cycles of a northern population of the large migratory cyprinid fish asp (Leuciscus aspius)
Kärgenberg, Einar; Sandlund, Odd Terje; Thorstad, Eva Bonsak; Thalfeldt, Mart; Økland, Finn; Kaasik, Ants; Tambets, Meelis (Peer reviewed; Journal article, 2022)Little is known about the exact movement parameters of migratory cyprinids listed as conservation priorities. A northern population of predatory asp, listed on the Bern Convention Appendix III, was studied in a near ... -
Behaviour and mortality of downstream migrating Atlantic salmon smolts at a small power station with multiple migration routes
Kärgenberg, Einar; Thorstad, Eva Bonsak; Järvekülg, Rein; Sandlund, Odd Terje; Saadre, Ene; Økland, Finn; Thalfeldt, Mart; Tambets, Meelis (Journal article; Peer reviewed, 2019)Salmon smolts were released upstream of a run‐of‐river hydropower site and recaptured downstream for inspection. Descending fish behaviour through three possible migration routes (turbines, fishway, spillway) was analysed ... -
Effects of a dispersal barrier on freshwater migration of the vimba bream (Vimba vimba)
Tambets, Meelis; Kärgenberg, Einar; Thorstad, Eva Bonsak; Sandlund, Odd Terje; Økland, Finn; Thalfeldt, Mart (Journal article; Peer reviewed, 2018)To study the effects of a dispersal barrier on migration of the semi-anadromous vimba bream in the Pärnu River, Estonia, we tagged thirty fish with acoustic transmitters and released above the barrier. Tagged fish showed ... -
An Invited Reply to: A Comment on: Migrating silver eels return from the sea to the river of origin after a false start (2021) by Tambets M et al
Tambets, Meelis; Kärgenberg, Einar; Järvalt, Ain; Økland, Finn; Kristensen, Martin Lykke; Koed, Anders; Bernotas, Priit (Peer reviewed; Journal article, 2022) -
Migrating silver eels return from the sea to the river of origin after a false start
Tambets, Meelis; Kärgenberg, Einar; Järvalt, Ain; Økland, Finn; Kristensen, Martin Lykke; Koed, Anders; Bernotas, Priit (Peer reviewed; Journal article, 2021)The European eel’s singular spawning migration from European waters towards the Sargasso Sea remains elusive, including the early phase of migration at sea. During spawning migration, the movement of freshwater resident ...