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Population genetics of the bigeye thresher shark Alopias superciliosus in the Atlantic and Indian Oceans: implications for conservation

2018Journal article Open access
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dc.contributor.authorMorales, Millke Jasmine Arminini
dc.contributor.authorMendonça, Fernando Fernandes
dc.contributor.authorMagalhães, Carolina Oliveira
dc.contributor.authorOliveira, Claudio
dc.contributor.authorCoelho, Rui
dc.contributor.authorSantos, Miguel Neves
dc.contributor.authorCruz, Vanessa Paes
dc.contributor.authorPiercy, Andrew
dc.contributor.authorBurgess, George
dc.contributor.authorHazin, Fabio Vieira
dc.contributor.authorForesti, Fausto
dc.date.accessioned2020-12-03T11:55:18Z
dc.date.available2020-12-03T11:55:18Z
dc.date.issued2018
dc.description.abstractPopulation structure and genetic connectivity are pivotal contributions to the establishment of conservation strategies for fisheries management, in particular for highly migratory species that are affected by commercial fisheries. This study used partial sequences of mitochondrial DNA control region to determine the genetic structure of the bigeye thresher shark Alopias superciliosus in the Atlantic and Indian Oceans. A total of 858 base pairs of mtDNA CR from 228 individuals were analyzed. The resulting nucleotide diversity (π) was 0.0011 ± 0.0008 and the haplotype diversity (h) was 0.127 ± 0.030. These are the lowest diversities registered in elasmobranchs with this genetic marker. Two genetically distinct lineages were identified, one of them represented by 3.9% of the analyzed individuals and none restricted to any particular area. Simulated scenarios of population structure, tested with AMOVA and pairwise ΦST did not result in significant values indicating high connectivity among all sampled groups. The absence of population structure, even between Atlantic and Indian Oceans, corroborates the high dispersal ability of this species. The low genetic diversity detected in this species and the identification of two historical lineages occurring in sympatry, one represented by a very small number of individuals, should be considered in the conservation efforts and management plans of A. superciliosus.pt_PT
dc.description.sponsorshipFCT IF/00253/2014pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s11160-018-9531-4pt_PT
dc.identifier.issn0960-3166
dc.identifier.urihttp://hdl.handle.net/10400.1/14869
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relation.publisherversionhttps://link.springer.com/article/10.1007/s11160-018-9531-4pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectPopulation geneticspt_PT
dc.subjectConservation geneticspt_PT
dc.subjectFisheries managementpt_PT
dc.subjectAlopiidaept_PT
dc.subjectMitochondrial DNApt_PT
dc.titlePopulation genetics of the bigeye thresher shark Alopias superciliosus in the Atlantic and Indian Oceans: implications for conservationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR%2F109915%2F2009/PT
oaire.citation.endPage951pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage941pt_PT
oaire.citation.titleReviews in Fish Biology and Fisheriespt_PT
oaire.citation.volume28pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameCoelho
person.givenNameRui
person.identifier134638
person.identifier.ciencia-idDC1A-20B7-EAC0
person.identifier.orcid0000-0003-3813-5157
person.identifier.ridC-1163-2008
person.identifier.scopus-author-id56257111100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6366aa1b-1301-43a3-b2b0-1280311ac95f
relation.isAuthorOfPublication.latestForDiscovery6366aa1b-1301-43a3-b2b0-1280311ac95f
relation.isProjectOfPublication646a664d-f899-4d80-a138-3023563d04c6
relation.isProjectOfPublication.latestForDiscovery646a664d-f899-4d80-a138-3023563d04c6

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