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Population structure and connectivity of the European conger eel (Conger conger) across the north-eastern Atlantic and western Mediterranean: Integrating molecular and otolith elemental approaches

2012Journal article Restricted access
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dc.contributor.authorCorreia, A. T.
dc.contributor.authorRamos, Ana
dc.contributor.authorBarros, F.
dc.contributor.authorSilva, Goncalo
dc.contributor.authorHamer, P.
dc.contributor.authorMorais, P.
dc.contributor.authorCunha, R. L.
dc.contributor.authorCastilho, Rita
dc.date.accessioned2014-05-22T12:33:20Z
dc.date.available2014-05-22T12:33:20Z
dc.date.issued2012
dc.date.updated2014-05-22T08:58:13Z
dc.description.abstractGenetic variation (mtDNA) of the European conger eel, Conger conger, was compared across five locations in the north-eastern Atlantic (Madeira, Azores, South Portugal, North Portugal and Ireland) and one location in the western Mediterranean (Mallorca). Genetic diversity of conger eel was high, and differentiation among regions was not significant. Additionally, comparisons of element:Ca ratios (Sr:Ca, Ba:Ca, Mn:Ca and Mg:Ca) in otolith cores (larval phase) and edges (3 months prior to capture) among the Azores, North Portugal, Madeira and Mallorca regions for 2 years indicated that variation among regions were greater for edges than cores. Therefore, while benthic conger may display residency at regional scales, recruitment may not necessarily be derived from local spawning and larval retention. Furthermore, data from otoliths suggest a separated replenishment source for western Mediterranean and NE Atlantic stocks. The combination of genetics and otolith chemistry suggests a population model for conger eel involving a broad-scale dispersal of larvae, with limited connectivity for benthic juvenile life stages at large spatial scales, although the existence of one or multiple spawning grounds for the species remains uncertain.por
dc.identifier.citationCorreia, A. T.; Ramos, A. A.; Barros, F.; Silva, G.; Hamer, P.; Morais, P.; Cunha, R. L.; Castilho, R.Population structure and connectivity of the European conger eel (Conger conger) across the north-eastern Atlantic and western Mediterranean: Integrating molecular and otolith elemental approaches, Marine Biology, 159, 7, 1509-1525, 2012.por
dc.identifier.doihttp://dx.doi.org/10.1007/s00227-012-1936-3
dc.identifier.issn0025-3162
dc.identifier.otherAUT: RCA00270;
dc.identifier.urihttp://hdl.handle.net/10400.1/4034
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSpringer-Verlagpor
dc.relation.publisherversionhttp://link.springer.com/article/10.1007%2Fs00227-012-1936-3por
dc.subjectConnectivitypor
dc.subjectEelpor
dc.subjectGenetic variationpor
dc.subjectMolecular analysispor
dc.subjectPopulation structurepor
dc.subjectRecruitment (population dynamics)por
dc.titlePopulation structure and connectivity of the European conger eel (Conger conger) across the north-eastern Atlantic and western Mediterranean: Integrating molecular and otolith elemental approachespor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1525por
oaire.citation.issue7por
oaire.citation.startPage1509por
oaire.citation.titleMarine Biologypor
oaire.citation.volume159por
person.familyNameRamos
person.familyNamesilva
person.familyNameMorais
person.familyNameCastilho
person.givenNameAna
person.givenNameGoncalo
person.givenNamePedro
person.givenNameRita
person.identifier424141
person.identifier452212
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person.identifier.ciencia-id0513-0407-A6C1
person.identifier.orcid0000-0003-1099-4005
person.identifier.orcid0000-0001-6700-6720
person.identifier.orcid0000-0002-0861-5566
person.identifier.orcid0000-0003-0727-3688
person.identifier.ridM-3815-2013
person.identifier.ridM-3418-2013
person.identifier.ridF-2815-2011
person.identifier.ridB-6185-2008
person.identifier.scopus-author-id7005946306
person.identifier.scopus-author-id56271196600
rcaap.rightsrestrictedAccesspor
rcaap.typearticle
relation.isAuthorOfPublication42936018-1328-4fd1-8adb-4d37441727ab
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relation.isAuthorOfPublication051f68ec-18e0-4008-b06d-bf4b996fa098
relation.isAuthorOfPublication.latestForDiscovery051f68ec-18e0-4008-b06d-bf4b996fa098

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