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Congruence between fine-scale genetic breaks and dispersal potential in an estuarine seaweed across multiple transition zones

2020-01Journal article Open access
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dc.contributor.authorNicastro, Katy
dc.contributor.authorAssis, J.
dc.contributor.authorSerrao, Ester
dc.contributor.authorPearson, Gareth
dc.contributor.authorNeiva, J.
dc.contributor.authorValero, Myriam
dc.contributor.authorJacinto, Rita
dc.contributor.authorZardi, Gerardo, I
dc.date.accessioned2021-06-24T11:36:09Z
dc.date.available2021-06-24T11:36:09Z
dc.date.issued2020-01
dc.description.abstractGenetic structure in biogeographical transition zones can be shaped by several factors including limited dispersal across barriers, admixture following secondary contact, differential selection, and mating incompatibility. A striking example is found in Northwest France and Northwest Spain, where the estuarine seaweed Fucus ceranoides L. exhibits sharp, regional genetic clustering. This pattern has been related to historical population fragmentation and divergence into distinct glacial refugia, followed by post-glacial expansion and secondary contact. The contemporary persistence of sharp ancient genetic breaks between nearby estuaries has been attributed to prior colonization effects (density barriers) but the effect of oceanographic barriers has not been tested. Here, through a combination of mesoscale sampling (15 consecutive populations) and population genetic data (mtIGS) in NW France, we define regional genetic disjunctions similar to those described in NW Iberia. Most importantly, using high resolution dispersal simulations for Brittany and Iberian populations, we provide evidence for a central role of contemporary hydrodynamics in maintaining genetic breaks across these two major biogeographic transition zones. Our findings further show the importance of a comprehensive understanding of oceanographic regimes in hydrodynamically complex coastal regions to explain the maintenance of sharp genetic breaks along continuously populated coastlines.
dc.description.sponsorshipFoundation for Science and Technology (FCT-MEC, Portugal) [DL57/2016/CP1361/CT0035]
dc.description.sponsorshipNational Research Foundation of South AfricaNational Research Foundation - South Africa [64801]
dc.description.sponsorshipFCTPortuguese Foundation for Science and TechnologyEuropean Commission [SFRH/BPD/88935/2012, SFRH/BPD/111003/2015]
dc.description.sponsorshipPew Marine Fellowship (USA) [SFRH/BPD/111003/2015]
dc.description.sponsorship[BIODIVERSA/004/2015]
dc.description.sponsorship[IF/01413/2014/CP1217/CT0004]
dc.description.sponsorship[UID/Multi/04326/2019]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1093/icesjms/fsz179
dc.identifier.issn1054-3139
dc.identifier.urihttp://hdl.handle.net/10400.1/16642
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInternational Council for the Exploration of the Sea (ICES)
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBiogeography
dc.subjectFucus spp
dc.subjectGene flow
dc.subjectPhysical modelling
dc.titleCongruence between fine-scale genetic breaks and dispersal potential in an estuarine seaweed across multiple transition zones
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PRAXIS XXI/4060/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/35479/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/48641/PT
oaire.citation.endPage378
oaire.citation.issue1
oaire.citation.startPage371
oaire.citation.titleIces Journal of Marine Science
oaire.citation.volume77
oaire.fundingStreamPRAXIS XXI
oaire.fundingStreamOE
oaire.fundingStreamOE
person.familyNameNicastro
person.familyNameAssis
person.familyNameSerrao
person.familyNamePearson
person.familyNameMiranda Neiva
person.familyNameJacinto
person.givenNameKaty
person.givenNameJorge
person.givenNameEster A.
person.givenNameGareth Anthony
person.givenNameJoão
person.givenNameRita
person.identifierC-6686-2012
person.identifier113536
person.identifierM-3818-2013
person.identifier2641191
person.identifier.ciencia-id3E12-714B-AFE5
person.identifier.ciencia-id5C1D-05B6-29F7
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.ciencia-id3315-9919-1A52
person.identifier.ciencia-id191B-5464-41F5
person.identifier.ciencia-idE611-7A2E-8CC0
person.identifier.orcid0000-0002-7071-141X
person.identifier.orcid0000-0002-6624-4820
person.identifier.orcid0000-0003-1316-658X
person.identifier.orcid0000-0002-0768-464X
person.identifier.orcid0000-0002-5927-4570
person.identifier.orcid0000-0002-0504-6388
person.identifier.ridD-2259-2012
person.identifier.ridG-9688-2012
person.identifier.ridJ-3911-2013
person.identifier.ridJ-9270-2014
person.identifier.scopus-author-id12646675100
person.identifier.scopus-author-id53463298700
person.identifier.scopus-author-id7004093604
person.identifier.scopus-author-id55916875600
person.identifier.scopus-author-id54895771800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
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