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Research article2001Peer reviewed

Identification of the origin of Atlantic salmon (Salmo salar L.) population in a recently recolonized river in the Baltic Sea

Vasemagi A, Gross R, Paaver T, Kangur M, Nilsson J, Eriksson LO

Abstract

The founder event in a recently recolonized salmon population in the Baltic Sea (Gulf of Finland) was investigated. To identify the origin of the founders, four wild populations and two hatchery stocks were analysed using six microsatellite loci. The results of assignment tests and factorial correspondence analysis suggest that the initial recolonizers of the river Selja originated from the geographically nearest (7 km) wild population (river Kunda) but as the result of stocking activities, interbreeding between recolonizers and hatchery individuals has occurred in subsequent years. Although the hatchery releases are outnumbering the wild salmon recruitment in the Baltic Sea at present, our results suggest that the native populations may still have an important role in colonization processes of the former salmon rivers

Published in

Molecular Ecology
2001, Volume: 10, number: 12, pages: 2877-2882
Publisher: BLACKWELL PUBLISHING LTD

      SLU Authors

    • Vasemägi, Anti

      • Department of Aquaculture, Swedish University of Agricultural Sciences

      • Nilsson, Jan

        • Department of Aquaculture, Swedish University of Agricultural Sciences

        • Eriksson, Lars-Ove

          • Department of Aquaculture, Swedish University of Agricultural Sciences

        UKÄ Subject classification

        Fish and Aquacultural Science

        Publication identifier

        DOI: https://doi.org/10.1046/j.1365-294X.2001.t01-1-01407.x

        Permanent link to this page (URI)

        https://res.slu.se/id/publ/4467