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Resolution of the taxonomic status of Chilean and Californian jack mackerels using mitochondrial DNA sequence

Authors

  • E. Poulin,

    1. Center for Advanced Studies in Ecology & Biodiversity, Department of Ecology, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago CP 6513677, Chile and
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    • Present address: Departamento do Ecologia, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Casilla 653, Nuñoa, Santiago, Chile.

  • L. Cárdenas,

    1. Center for Advanced Studies in Ecology & Biodiversity, Department of Ecology, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago CP 6513677, Chile and
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  • C. E. Hernández,

    1. Center for Advanced Studies in Ecology & Biodiversity, Department of Ecology, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago CP 6513677, Chile and
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  • I. Kornfield,

    1. School of Marine Sciences, 5751 Murray Hall, University of Maine, Orono, Maine 04469-5751, U.S.A.
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  • F. P. Ojeda

    Corresponding author
    1. Center for Advanced Studies in Ecology & Biodiversity, Department of Ecology, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago CP 6513677, Chile and
      §Tel.: +56 2 6862729; fax: +56 2 6862729; email: pojeda@bio.puc.cl
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§Tel.: +56 2 6862729; fax: +56 2 6862729; email: pojeda@bio.puc.cl

Abstract

Phylogeographic reconstructions using mitochondrial DNA sequences from both the control region and the cytochrome b gene demonstrated that two disjunct populations be recognized as Trachurus murphyi and Trachurus symmetricus. The species have been isolated for at least 250 000 years.

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