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Phylogeography of the European stalked barnacle (Pollicipes pollicipes): identification of glacial refugia
Campo, D.; Molares, J.; Garcia, L.; Fernandez-Rueda, P.; Garcia-Gonzalez, C.; Garcia-Vazquez, E. (2010). Phylogeography of the European stalked barnacle (Pollicipes pollicipes): identification of glacial refugia. Mar. Biol. (Berl.) 157: 147-156.
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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  • Campo, D.
  • Molares, J.
  • Garcia, L.
  • Fernandez-Rueda, P.
  • Garcia-Gonzalez, C.
  • Garcia-Vazquez, E., more

    The alternation of glacial and interglacial events during the Pleistocene has produced changes in species distribution ranges leading to bottlenecks and alterations of patterns of gene flow. The European stalked barnacle, Pollicipes pollicipes, is a sessile pedunculate cirripede that inhabits the rocky intertidal frame, from Senegal to the northwestern coast of France. In this work, we have analyzed a fragment of the mitochondrial gene cytochrome c oxidase subunit I for 569 individuals of P. pollicipes in order to investigate whether the shifts in climatic conditions that occurred during the Pleistocene influenced the current pattern of distribution of genetic variation of P. pollicipes. A pre-last glacial maximum pattern of demographic expansion was found, in concordance with many other North Atlantic marine species. On the other hand, three potential glacial refugia were identified: North African coasts, northwestern Iberian Peninsula and English Channel/Brittany.

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