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Multidisciplinary estimates of connectivity and population structure suggest the use of multiple units for the conservation and management of meagre, Argyrosomus regius

2024Journal article Open Access
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dc.contributor.authorAbecasis, David
dc.contributor.authorOgden, R.
dc.contributor.authorWinkler, Alexander
dc.contributor.authorGandra, Miguel
dc.contributor.authorKhallahi, B.
dc.contributor.authorDiallo, M.
dc.contributor.authorCabrera-Castro, R.
dc.contributor.authorWeiller, Y.
dc.contributor.authorErzini, Karim
dc.contributor.authorAfonso, P.
dc.contributor.authorAssis, Jorge
dc.date.accessioned2024-02-20T09:39:38Z
dc.date.available2024-02-20T09:39:38Z
dc.date.issued2024
dc.description.abstractInformation on population structure and connectivity of targeted species is key for proper implementation of spatial conservation measures. We used a combination of genomics, biophysical modelling, and biotelemetry to infer the population structure and connectivity of Atlantic meagre, an important fisheries resource throughout its distribution. Genetic samples from previously identified Atlantic spawning locations (Gironde, Tejo, Guadalquivir, Banc d'Arguin) and two additional regions (Algarve and Senegal) were analysed using genome-wide SNP-genotyping and mitochondrial DNA analyses. Biophysical models were conducted to investigate larval dispersal and connectivity from the known Atlantic spawning locations. Additionally, thirteen fish were double-tagged with biotelemetry transmitters off the Algarve (Portugal) to assess movement patterns and connectivity of adult individuals. This multidisciplinary approach provided a robust overview of meagre population structure and connectivity in the Atlantic. Nuclear SNP-genotyping showed a clear differentiation between the European and African populations, with significant isolation of the few known Atlantic spawning sites. The limited level of connectivity between these subpopulations is potentially driven by adults, capable of wide-ranging movements and connecting sites 500 km apart, as evidenced by tagging studies, whilst larval dispersal inferred by modelling is much more limited (average of 52 km; 95% of connectivity events up to 174 km). Our results show sufficient evidence of population structure, particularly between Africa and Europe but also within Europe, for the meagre to be managed as separate stocks. Additionally, considering the low degree of larvae connectivity, the implementation of marine protected areas in key spawning sites could be crucial towards species sustainability.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1038/s41598-023-50869-9pt_PT
dc.identifier.issn2045-2322
dc.identifier.urihttp://hdl.handle.net/10400.1/20412
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherNature Portfoliopt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMarine fishpt_PT
dc.subjectOceanographic barrierspt_PT
dc.subjectDispersalpt_PT
dc.subjectSoftwarept_PT
dc.subjectGeneticspt_PT
dc.subjectConsequencespt_PT
dc.subjectRecruitmentpt_PT
dc.subjectNetworkspt_PT
dc.subjectEcologypt_PT
dc.subjectPackagept_PT
dc.titleMultidisciplinary estimates of connectivity and population structure suggest the use of multiple units for the conservation and management of meagre, Argyrosomus regiuspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.citation.issue1pt_PT
oaire.citation.startPage873pt_PT
oaire.citation.titleScientific Reportspt_PT
oaire.citation.volume14pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameAbecasis
person.familyNameWinkler
person.familyNameGandra
person.familyNameErzini
person.familyNameAssis
person.givenNameDavid
person.givenNameAlexander
person.givenNameMiguel
person.givenNameKarim
person.givenNameJorge
person.identifier298405
person.identifier860218
person.identifier.ciencia-id7E1E-B2F7-B966
person.identifier.ciencia-idB119-3156-BB34
person.identifier.ciencia-id4F1A-6372-FA55
person.identifier.ciencia-idD917-7133-341A
person.identifier.ciencia-id5C1D-05B6-29F7
person.identifier.orcid0000-0002-9802-8153
person.identifier.orcid0000-0001-7864-8243
person.identifier.orcid0000-0003-1506-5141
person.identifier.orcid0000-0002-1411-0126
person.identifier.orcid0000-0002-6624-4820
person.identifier.ridB-2871-2012
person.identifier.ridM-5216-2013
person.identifier.ridG-9688-2012
person.identifier.scopus-author-id23017767300
person.identifier.scopus-author-id56377076100
person.identifier.scopus-author-id7004015948
person.identifier.scopus-author-id53463298700
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.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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