Comprehensive microsatellite baseline for genetic stock identification of Atlantic salmon (Salmo salar L.) in northernmost Europe
Ozerov, Mikhail; Vaha, Juha-Pekka; Wennevik, Vidar; Niemelä, Eero; Svenning, Martin-A.; Prusov, Sergey; Fernandez, Rogelio Diaz; Unneland, Laila; Vasemagi, Anti; Falkegard, Morten; Kalske, Tiia; Christiansen, Bente (2017)
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Ozerov, Mikhail
Vaha, Juha-Pekka
Wennevik, Vidar
Niemelä, Eero
Svenning, Martin-A.
Prusov, Sergey
Fernandez, Rogelio Diaz
Unneland, Laila
Vasemagi, Anti
Falkegard, Morten
Kalske, Tiia
Christiansen, Bente
Julkaisusarja
ICES Journal of Marine Science
Volyymi
74
Numero
8
Sivut
2159-2169
Oxford University Press
2017
Tiivistelmä
The rivers in northernmost Europe support many of the largest wild Atlantic salmon stocks supplying up to 60% of the total annual catch in the world, but very little is known about their relative contributions to coastal fisheries. We generated a comprehensive Atlantic salmon genetic baseline consisting of 185 populations along the Norwegian, Barents and White Sea coasts, genotyped for a high number of genetic markers, which has a dense geographical coverage and includes all notable stocks in the region. The hierarchical genetic structure observed was the basis for defining 7 regional and 26 local re3porting groups (RGs) enabling practical implementation of genetic stock identification (GSI). The GSI accuracy varied across populations and the study area, depending on the level of genetic structuring, but a high level of accuracy was achieved when individuals were classified to regional (97%) or to local (90%) RGs. Simulations showed that salmon from the majority of the largest populations in northernmost Europe can be reliably identified in Norwegian and Russian coastal mixed-stock fisheries. The baseline will be an invaluable resource for development of future adaptive management regimes for Atlantic salmon in northern Europe.
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