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Population genetics of Zostera noltii along the west Iberian coast: Consequences of small population size, habitat discontinuity and near-shore currents

2005Journal article Open Access
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dc.contributor.authorDiekmann, O. E.
dc.contributor.authorCoyer, J. A.
dc.contributor.authorFerreira, J.
dc.contributor.authorOlsen, J. L.
dc.contributor.authorStam, W. T.
dc.contributor.authorPearson, G. A.
dc.contributor.authorSerrão, Ester
dc.date.accessioned2014-06-05T13:19:29Z
dc.date.available2014-06-05T13:19:29Z
dc.date.issued2005
dc.date.updated2014-05-21T14:00:41Z
dc.description.abstractThe effects of oceanographic patterns on marine genetic biodiversity along the SW Iberian Peninsula are poorly understood. We addressed the question of whether gene flow in this region depends solely on geographic distance between isolated patches of suitable habitat or if there are superimposed effects correlated with other factors such as current patterns. Zostera noltii, the dwarf eelgrass, is the keystone habitat-structuring seagrass species on intertidal mudflats along the Iberian west coast. We used 9 microsatellite loci to analyze population genetic diversity and differentiation for all existing 8 populations from NW Spain (Ria de Vigo) to SW Spain (Puerto Real, Cadiz). Populations are highly genetically differentiated as shown by high significant FST,Wright’s fixation index, (0.08 to 0.26) values. A neighbor-joining tree based on Reynold’s distances computed from allele frequencies revealed a split between northern and southern populations (bootstrap support of 84%). This pattern of differentiation can be explained by (1) ocean surface current patterns present during Z. noltii’s reproductive season which cause a dispersal barrier between the northern and southern populations of this region, (2) habitat isolation, due to large geographic distances between suitable habitats, preventing frequent gene flow, and (3) small effective population sizes, causing high drift and thus faster differentiation rates.por
dc.identifier.citationDiekmann, O.E.; Coyer, J.A.; Ferreira, J.; Olsen, J.L.; Stam, W.T.; Pearson, G.A.; Serrão, E.A.Population genetics of Zostera noltii along the west Iberian coast: Consequences of small population size, habitat discontinuity and near-shore currents, Marine Ecology Progress Series, 290, Abril 2005, 89-96, 2005.por
dc.identifier.doihttp://dx.doi.org/ 10.3354/meps290089
dc.identifier.issn0171-8630
dc.identifier.otherAUT: ESE00527;
dc.identifier.urihttp://hdl.handle.net/10400.1/4197
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherInter Researchpor
dc.relation.publisherversionhttp://www.int-res.com/abstracts/meps/v290/p89-96/por
dc.subjectPhylogeographypor
dc.subjectDwarf eelgrasspor
dc.subjectSeagrass conservationpor
dc.subjectIberian Peninsula biogeographypor
dc.subjectPortuguese coastpor
dc.titlePopulation genetics of Zostera noltii along the west Iberian coast: Consequences of small population size, habitat discontinuity and near-shore currentspor
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F9454%2F2002/PT
oaire.citation.endPage96por
oaire.citation.startPage89por
oaire.citation.titleMarine Ecology Progress Seriespor
oaire.citation.volume290por
oaire.fundingStreamSFRH
person.familyNamePearson
person.familyNameSerrao
person.givenNameGareth Anthony
person.givenNameEster A.
person.identifier113536
person.identifierC-6686-2012
person.identifier.ciencia-id3315-9919-1A52
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.orcid0000-0002-0768-464X
person.identifier.orcid0000-0003-1316-658X
person.identifier.ridJ-3911-2013
person.identifier.scopus-author-id55916875600
person.identifier.scopus-author-id7004093604
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication0a10c448-c7f5-4c3b-9488-3917c707e35e
relation.isAuthorOfPublication45ccfe90-155c-4d6f-9e86-8f0fd064005f
relation.isAuthorOfPublication.latestForDiscovery0a10c448-c7f5-4c3b-9488-3917c707e35e
relation.isProjectOfPublication18bbf3ef-f14c-43be-b735-95b2944313ee
relation.isProjectOfPublication.latestForDiscovery18bbf3ef-f14c-43be-b735-95b2944313ee

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