Genetic structure in lagoons : the effects of habitat discontinuity and low dispersal ability on populations of Atherina boyeri

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2012
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Milana, Valentina
Sola, Luciana
Angiulli, Elisa
Rossi, Anna Rita
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Atherina boyeri is a common inhabitant of the Mediterranean brackish and coastal waters. Several recent studies proposed the recognition of three distinct forms/species (one lagoon/freshwater and two marine) within an A. boyeri complex. In this study, we used 10 newly available microsatellite loci to better define the genetic structure of the lagoon form. A total of 428 fishes from 11 lagoons along the Italian and Albanian coasts and three Italian lakes were analyzed. A pronounced genetic spatial structure was confirmed for all considered geographic scales (near, medium and broad). A restricted gene flow was detected, suggesting reduced population connectivity. The comparison of present data and previous studies, based on mtDNA and RAPD markers, allowed a preliminary identification of the roles of recent factors (gene flow, habitat discontinuity and water currents) and past events (e.g., Pleistocene glaciations) in shaping the pattern of genetic differentiation.

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ISO 690MILANA, Valentina, Paolo FRANCHINI, Luciana SOLA, Elisa ANGIULLI, Anna Rita ROSSI, 2012. Genetic structure in lagoons : the effects of habitat discontinuity and low dispersal ability on populations of Atherina boyeri. In: Marine Biology. Springer. 2012, 159(2), pp. 399-411. ISSN 0025-3162. eISSN 1432-1793. Available under: doi: 10.1007/s00227-011-1817-1
BibTex
@article{Milana2012-02Genet-48986,
  year={2012},
  doi={10.1007/s00227-011-1817-1},
  title={Genetic structure in lagoons : the effects of habitat discontinuity and low dispersal ability on populations of Atherina boyeri},
  number={2},
  volume={159},
  issn={0025-3162},
  journal={Marine Biology},
  pages={399--411},
  author={Milana, Valentina and Franchini, Paolo and Sola, Luciana and Angiulli, Elisa and Rossi, Anna Rita}
}
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