Browsing NTNU Open by Author "Havn, Torgeir Børresen"
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The effect of surveillance fishing on migration distance of Atlantic Salmon during the spawning period
Munkeby, Johan; Davidsen, Jan Grimsrud; Havn, Torgeir Børresen; Ulvan, Eva Marita; Næsje, Tor; Karlsen, Dag H.; Solem, Øyvind; Lennox, Robert J. (Peer reviewed; Journal article, 2024)Objective Surveillance fishing surveys can be performed to estimate the proportion of farmed salmon represented in the spawning stock of native Atlantic Salmon Salmo salar populations. These surveys take place after the ... -
The risk of individual fish being captured multiple times in a catch and release fishery
Thorstad, Eva Bonsak; Diserud, Ola Håvard; Solem, Øyvind; Havn, Torgeir Børresen; Bjørum, Lars Rasmus Oftedal; Kristensen, Torstein; Urke, Henning Andre; Johansen, Martin Rognli; Lennox, Robert J.; Fiske, Peder; Uglem, Ingebrigt (Peer reviewed; Journal article, 2019)The proportion of angled Atlantic salmon Salmo salar L. being caught and released has increased. If individuals are repeatedly captured, this may have fish welfare consequences. Of 995 Atlantic salmon tagged during catch ... -
The Effect of Catch and Release Angling at High Water Temperatures on Behavior and Survival of Atlantic Salmon (Salmo salar L.)
Havn, Torgeir Børresen (Master thesis, 2013)Many wild Atlantic salmon (Salmo salar L.) populations have declined during the last decades. A multitude of restrictions on riverine fisheries have been initiated to preserve spawning populations, including increased use ...