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Provedor de dados:  ArchiMer
País:  France
Título:  Genetic structure of wild European populations of the invasive Pacific oyster Crassostrea gigas due to aquaculture practices
Autores:  Meistertzheim, Anne-leila
Arnaud-haond, Sophie
Boudry, Pierre
Thebault, Marie-therese
Data:  2013-02
Ano:  2013
Resumo:  As a result of aquaculture activities, Pacific oysters Crassostrea gigas (Thunberg, 1793) have invaded European coasts. Using seven microsatellites, we found virtually no genetic differentiation between natural populations throughout the European range (from the south of the Wadden Sea (the Netherlands) to the south of France) and French cultivated oysters. The genetic homogeneity of Pacific oyster samples appears to be the result of repeated transfers from same seed stocks made for aquaculture and, to a lesser extent, widespread dispersal due to specific biological traits of this species. The only genetic differentiation of Sylt population in the north of the Wadden Sea (Germany) suggests a stronger, persistent impact of ongoing supply of new genetic material from hatchery production, corresponding to seeds selection made by breeders. All of our genetic data highlighted the importance of aquaculture practices on the genetic structure of the keystone invader C. gigas in Europe.
Tipo:  Text
Idioma:  Inglês

Editor:  Springer
Formato:  application/pdf
Fonte:  Marine Biology (0025-3162) (Springer), 2013-02 , Vol. 160 , N. 2 , P. 453-463
Direitos:  Springer-Verlag Berlin Heidelberg 2012

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