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The genetic structure of adders (Vipera berus) in Fennoscandia: congruence between different kinds of genetic markers

Authors

  • M. CARLSSON,

    Corresponding author
    1. Department of Conservation Biology and Genetics, EBC, Uppsala University, Norbyv. 18D, SE-752 36 Uppsala, Sweden
      Martin Carlsson. Fax: +46 18 471 6424; E-mail: martin.carlsson@ebc.uu.se
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  • L. SÖDERBERG,

    1. Department of Conservation Biology and Genetics, EBC, Uppsala University, Norbyv. 18D, SE-752 36 Uppsala, Sweden
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  • H. TEGELSTRÖM

    1. Department of Conservation Biology and Genetics, EBC, Uppsala University, Norbyv. 18D, SE-752 36 Uppsala, Sweden
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    • *

      Håkan Tegelström died on 20 March 2004 after a brave struggle against a long illness. He will be greatly missed.


Martin Carlsson. Fax: +46 18 471 6424; E-mail: martin.carlsson@ebc.uu.se

Abstract

In order to elucidate the colonization history of Fennoscandian adders (Vipera berus), the phylogeographical patterns of two nuclear sets of DNA markers (random amplified polymorphic DNA and microsatellite) are compared with that previously obtained from mitochondrial DNA. An eastern and a western lineage within Fennoscandian adders is readily distinguishable using both sets of nuclear markers, corroborating the hypothesis that the lineages stem from separate glacial refugia. Moreover, the same contact zones as were derived from mitochondrial data are clearly identifiable. Both sets of nuclear markers detect a high level of admixture across one zone in northern Finland, with introgression reaching far west into Sweden.

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