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Low-mitochondrial diversity and lack of structure in the velvet swimming crab Necora puber along the Galician coast
Sotelo, G.; Posada, D.; Móran, P. (2009). Low-mitochondrial diversity and lack of structure in the velvet swimming crab Necora puber along the Galician coast. Mar. Biol. (Berl.) 156(5): 1039-1048. hdl.handle.net/10.1007/s00227-009-1148-7
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Sotelo, G.
  • Posada, D.
  • Móran, P.

Abstract
    The velvet swimming crab Necora puber is a common species along the European Atlantic coasts. Due to its increasing commercial importance, many studies have been carried out to characterize its growth and reproduction, but no genetic assessment has ever been attempted at the population level. Here, we describe the genetic diversity and population structure of N. puber in northwestern Spain (Galicia), including additional samples from France, Portugal, and southern Spain. To do so, we analysed two mitochondrial fragments of the COI and 16S genes in 217 individuals collected from ten localities. Our results unveil low-genetic diversity and weak population structure along the studied range. A range expansion after the last glacial maximum, followed by ongoing gene flow, seems to be the most likely explanation for the observed genetic pattern.

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