Behaviour and survival of wild Atlantic salmon Salmo salar captured and released while surveillance angling for escaped farmed salmon

In many Norwegian rivers, spawning stocks are surveyed for escaped farmed salmon with surveillance fishing by rod and reel after the recreational angling season. However, the benefits of surveillance fishing depend on the ability of wild salmon to return to the spawning stock. To evaluate the impact...

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Bibliographic Details
Published in:Aquaculture Environment Interactions
Main Authors: Lennox, R.J. (Robert J.), Havn, T.B. (Torgeir B.), Thorstad, E.B. (Eva B.), Liberg, E. (Egil), Cooke, S.J. (Steven), Uglem, I. (Ingebrigt)
Format: Article in Journal/Newspaper
Language:English
Published: 2017
Subjects:
Biological invasions
Catch and release
Environmental monitoring
Species at risk
Telemetry
Lakselva
Norway
Atlantic salmon
Salmo salar
Online Access:https://ir.library.carleton.ca/pub/20472
https://doi.org/10.3354/AEI00235
Description
Summary:In many Norwegian rivers, spawning stocks are surveyed for escaped farmed salmon with surveillance fishing by rod and reel after the recreational angling season. However, the benefits of surveillance fishing depend on the ability of wild salmon to return to the spawning stock. To evaluate the impacts of surveillance fishing, we captured, radio-tagged and released wild Atlantic salmon Salmo salar in the River Lakselva, Norway, in a surveillance fishery occurring just prior to the spawning period. Among 39 salmon captured, 36 wild fish were tagged and released, whereas 3 were not released (1 bleeding from the gills, 1 farmed, 1 farmed and bleeding). Survival

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