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dc.contributor.authorMokhtar-Jamaï, Kenza-
dc.contributor.authorPascual, Marta-
dc.contributor.authorLedoux, J. B.-
dc.contributor.authorComa, Rafael-
dc.contributor.authorFéral, J.P.-
dc.contributor.authorGarrabou, Joaquim-
dc.contributor.authorAurelle, D.-
dc.date.accessioned2012-02-20T12:48:31Z-
dc.date.available2012-02-20T12:48:31Z-
dc.date.issued2011-08-
dc.identifier.citationMolecular Ecology 20(16): 3291-3305 (2011)es_ES
dc.identifier.issn0962-1083-
dc.identifier.urihttp://hdl.handle.net/10261/45934-
dc.description15 pages, 3 figures, 4 tableses_ES
dc.description.abstractDefining the scale of connectivity among marine populations and identifying the barriers to gene flow are tasks of fundamental importance for understanding the genetic structure of populations and for the design of marine reserves. Here, we investigated the population genetic structure at three spatial scales of the red gorgonian Paramuricea clavata (Cnidaria, Octocorallia), a key species dwelling in the coralligenous assemblages of the Mediterranean Sea. Colonies of P. clavata were collected from 39 locations across the Mediterranean Sea from Morocco to Turkey and analysed using microsatellite loci. Within three regions (Medes, Marseille and North Corsica), sampling was obtained from multiple locations and at different depths. Three different approaches (measures of genetic differentiation, Bayesian clustering and spatially explicit maximum-difference algorithm) were used to determine the pattern of genetic structure. We identified genetic breaks in the spatial distribution of genetic diversity, which were concordant with oceanographic conditions in the Mediterranean Sea. We revealed a high level of genetic differentiation among populations and a pattern of isolation by distance across the studied area and within the three regions, underlining short effective larval dispersal in this species. We observed genetic differentiation among populations in the same locality dwelling at different depths, which may be explained by local oceanographic conditions and which may allow a process of local adaptation of the populations to their environment. We discuss the implications of our results for the conservation of the species, which is exposed to various threatses_ES
dc.description.sponsorshipK.M.J.’s PhD was funded by the French Ministe`re de l’Enseignement Supe´rieur et de la Recherche. This research was partly supported by the MEDCHANGE project funded by the Agence Nationale pour la Recherche and research grants CGL2007-66757-C02-01 from the MECes_ES
dc.language.isoenges_ES
dc.publisherBlackwell Publishinges_ES
dc.rightsclosedAccesses_ES
dc.subjectConservation Biologyes_ES
dc.subjectGenetic structurees_ES
dc.subjectLarval dispersales_ES
dc.subjectMediterranean Seaes_ES
dc.subjectMicrosatelliteses_ES
dc.subjectParamuricea clavataes_ES
dc.titleFrom global to local genetic structuring in the red gorgonian Paramuricea clavata: the interplay between oceanographic conditions and limited larval dispersales_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1111/j.1365-294X.2011.05176.x-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1111/j.1365-294X.2011.05176.xes_ES
dc.identifier.e-issn1365-294X-
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