Blar i NORCE vitenarkiv på forfatter "Berhe, Saron"
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A comparative study of the alternative life history of iteroparous salmonids
Lennox, Robert; Nilsen, Cecilie Iden; Dahlmo, Lotte Svengård; Berhe, Saron; Barlaup, Bjørn Torgeir; Normann, Eirik; Landro, Yngve; Birnie-Gauvin, Kim; Cooke, Steven J.; Vollset, Knut (Peer reviewed; Journal article, 2024)The kelt phase of anadromous iteroparous salmonid life history remains mysterious, particularly aspects of their habitat use and factors influencing survival. Atlantic salmon and sea-run brown trout were captured in the ... -
Migratory contingents of brown trout reveal variable exposure to anthropogenic threats along a fjord-river continuum
Lennox, Robert; Hanssen, Erlend Mjelde; Normann, Eirik; Barlaup, Bjørn Torgeir; Nilsen, Cecilie Iden; Dahlmo, Lotte Svengård; Berhe, Saron; Vollset, Knut (Peer reviewed; Journal article, 2024)Brown trout is a partially migratory salmonid that makes use of diverse habitats to maximise growth and fitness. One of the most substantial threats to brown trout is infection with pathogens from open net-pen fish farming, ... -
Moving cleaner fish from the wild into fish farms: A zero-sum game?
Lennox, Robert; Barrett, Luke T.; Nilsen, Cecilie Iden; Berhe, Saron; Barlaup, Bjørn Torgeir; Vollset, Knut (Journal article; Peer reviewed, 2022)Fish that engage in mutualistic cleaning behaviour (‘cleaner fishes’) have recently been popularized as a nature-based method of controlling ectoparasite outbreaks in fish farms. Outbreaks impact animal welfare and threaten ... -
Vurdering av overlevelsen til laksesmolt i Tysseelva ved bruk av akustisk telemetri Pilotstudie 2022
Gabrielsen, Sven-Erik; Berhe, Saron; Hanssen, Erlend Mjelde; Nilsen, Cecilie Iden; Normann, Eirik; Landro, Yngve; Lennox, Robert J.; Skår, Bjørnar; Vollset, Knut; Wiers, Tore (LFI - Laboratorium for ferskvannsøkologi og innlandsfiske, Research report, 2022)NORCE LFI fikk i mars 2022 en henvendelse fra Eviny v/Sissel H. Mykletun om å utføre undersøkelser for å prøve og avklare om laksesmolten overlever utvandringen ned Samnangervassdraget. Eviny har et elvekraftverk (Tyssefossen ...