Blar i Brage IMR på forfatter "Lennox, Robert J."
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Development of a risk assessment for sea trout in coastal areas exploited for aquaculture
Finstad, Bengt; Sandvik, Anne Dagrun; Ugedal, Ola; Vollset, Knut; Karlsen, Ørjan; Davidsen, Jan Grimsrud; Sægrov, Harald; Lennox, Robert J. (Peer reviewed; Journal article, 2021)The regulation of aquaculture production in Norway considers the potential impact of salmon lice on wild fish. However, most attention has been focused on impacts on wild Atlantic salmon, despite the fact that anadromous ... -
Drift diving: A quick and accurate method for assessment of anadromous salmonid spawning populations
Skoglund, Helge; Vollset, Knut; Lennox, Robert J.; Skaala, Øystein; Barlaup, Bjørn Torgeir (Peer reviewed; Journal article, 2021)The accuracy of drift diving surveys of Atlantic salmon, Salmo salar L. and sea trout, Salmo trutta L., was evaluated by comparing the abundance and size distribution with catches in a fish trap over 6 years in the River ... -
Lakselusinfestasjon på vill laksefisk langs Norskekysten i 2020 - Sluttrapport til Mattilsynet
Nilsen, Rune; Serra Llinares, Rosa Maria; Sandvik, Anne Dagrun; Johnsen, Ingrid Askeland; Mohn, Agnes Marie; Karlsen, Ørjan; Lehmann, Gunnar Bekke; Birkeland, Ina Bakke; Stöger, Elisabeth; Lennox, Robert J.; Uglem, Ingebrigt; Berg, Marius (Rapport fra havforskningen;2020 - 46, Research report, 2020)Overvåkingsprogrammet for lakselus på vill laksefisk (NALO) er i 2020 gjennomført på oppdrag fra Mattilsynet (MT) og Nærings- og Fiskeridepartementet (NFD). En hydrodynamisk spredningsmodell som beregner tetthet av infektive ... -
Negative impacts of the sea lice prophylactic emamectin benzoate on the survival of hatchery released salmon smolts in rivers
Lennox, Robert J.; Salvanes, Anne Gro Vea; Barlaup, Bjørn Torgeir; Stöger, Elisabeth; Madhun, Abdullah; Helle, Turid Myklebust; Vollset, Knut (Peer reviewed; Journal article, 2020)Emamectin benzoate (EB) is a prophylactic pharmaceutical used to protect Atlantic salmon (Salmo salar) smolts migrating out of rivers and into the ocean against sea lice parasites. Randomized control trials comparing the ... -
Predicting the nationwide outmigration timing of Atlantic salmon (Salmo salar) smolts along 12 degrees of latitude in Norway
Vollset, Knut; Lennox, Robert J.; Lamberg, Anders; Skaala, Øystein; Sandvik, Anne Dagrun; Sægrov, Harald; Kvingedal, Eli; Kristensen, Torstein; Jensen, Arne Johan; Haraldstad, Tormod; Barlaup, Bjørn Torgeir; Ugedal, Ola (Peer reviewed; Journal article, 2021)