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Atlantic connectivity of a major green sea turtle Chelonia mydas foraging aggregation at the Banc d’Arguin, Mauritania

2024Journal article Open access
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dc.contributor.authorPatrício, Ana Rita
dc.contributor.authorCoveney, Sophia A.
dc.contributor.authorBarbanti, Anna
dc.contributor.authorBarbosa, Castro
dc.contributor.authorBroderick, Annette
dc.contributor.authorEl’Bar, Nahi
dc.contributor.authorGodley, Brendan
dc.contributor.authorHancock, Joana M.
dc.contributor.authorRegalla De Barros, Aissa
dc.contributor.authorSenhoury, Cheibani
dc.contributor.authorSidina, Ebaye
dc.contributor.authorde Thoisy, Benoît de
dc.contributor.authorTilley, Dominic
dc.contributor.authorWeber, Sam
dc.contributor.authorCatry, Paulo
dc.date.accessioned2024-12-11T15:10:24Z
dc.date.available2024-12-11T15:10:24Z
dc.date.issued2024
dc.description.abstractABSTRACT: Understanding population connectivity is paramount for effective conservation. While genetic tools have elucidated sea turtle migration patterns, notable data gaps limit our understanding of ocean-wide connectivity, especially regarding east Atlantic green turtles. We characterized the genetic composition of a globally important green turtle foraging aggregation at the Banc d’Arguin, Mauritania, incorporating data from 323 individuals captured between 2018 and 2021. Using extended mitochondrial DNA D-loop (738 base pairs [bp]) and mitochondrial short tandem repeat (mtSTR; ~200 bp) markers, we assessed the genetic structure of Atlantic green turtle foraging aggregations and estimated the most likely origin of immature green turtles from the Banc d’Arguin using mixed stock analyses (MSAs). We identified 6 D-loop haplotypes, with a clear dominance of CM-A8.1 (91.8%) followed by CM-A5.1 (6.3%) and 4 rare haplotypes: CM-A1.4, CMA6.1, CM24.1 and CM36.1. We found 13 mtSTR haplotypes, with ‘7-12-4-4’ being dominant (89.0%). The genetic composition at the Banc d’Arguin differed significantly from the only foraging aggregation studied in West Africa to date — in the archipelago of Cabo Verde (located ca. 750 km from the Banc d’Arguin) — dominated by haplotype CM-A5. The MSA combining both genetic markers indicated that 87.6% of immature green turtles at the Banc d’Arguin originate from the major East Atlantic rookery at Poilão (Guinea-Bissau), but 11.6% come from more distant rookeries in South America (8.1%) and potentially Ascension Island (3.4%). We suggest that green turtle transatlantic movements may be more common than previously thought and highlight the importance of the Banc d’Arguin as a regional foraging hub for this species.pt_PT
dc.description.sponsorshipFundação para a Ciência e Tecnologia - FCTpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPatrício, A. R., Hancock, J. M., Broderick, A. C., Godley, B. J., Tilley, D., Weber, S., Coveney, S. A., Barbanti, A., Barbosa, C., Regalla, A., El, B. N., Senhoury, C., Sidina, E., Catry, P., & de Thoisy, B. (2024). Atlantic connectivity of a major green sea turtle Chelonia mydas foraging aggregation at the Banc d’Arguin, Mauritania. Endangered Species Research, 54, 365–382. https://doi.org/10.3354/esr01345pt_PT
dc.identifier.doi10.3354/esr01345pt_PT
dc.identifier.issn18635407
dc.identifier.urihttp://hdl.handle.net/10400.12/10045
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInter-Researchpt_PT
dc.relationUIDB/04292/2020pt_PT
dc.relationUIDP/04292/2020pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSea turtlespt_PT
dc.subjectPopulation geneticspt_PT
dc.subjectMigratory connectivitypt_PT
dc.subjectDispersalpt_PT
dc.subjectForaging groundspt_PT
dc.subjectMixed-stock analysispt_PT
dc.subjectmtDNApt_PT
dc.subjectAtlantic Oceanpt_PT
dc.titleAtlantic connectivity of a major green sea turtle Chelonia mydas foraging aggregation at the Banc d’Arguin, Mauritaniapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceGermanypt_PT
oaire.citation.endPage382pt_PT
oaire.citation.startPage365pt_PT
oaire.citation.titleEndangered Species Researchpt_PT
oaire.citation.volume54pt_PT
person.familyNameRita Caldas Patrício
person.familyNameCoveney
person.familyNameBarbanti
person.familyNameBroderick
person.familyNamegodley
person.familyNameRegalla de Barros
person.familyNameTilley
person.familyNameWeber
person.familyNameCatry
person.givenNameAna
person.givenNameSophia
person.givenNameAnna
person.givenNameAnnette
person.givenNamebrendan
person.givenNameAissa
person.givenNameDominic
person.givenNameSam
person.givenNamePaulo
person.identifierB-3437-2019
person.identifier134560
person.identifier179910
person.identifier.ciencia-id8D15-F799-1252
person.identifier.ciencia-id6E15-EC94-D1C5
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person.identifier.orcid0000-0003-4963-2343
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person.identifier.orcid0000-0001-8349-7603
person.identifier.orcid0000-0003-1444-1782
person.identifier.orcid0000-0003-3845-0034
person.identifier.orcid0000-0003-1522-8211
person.identifier.orcid0000-0002-5427-191X
person.identifier.orcid0000-0003-1447-4082
person.identifier.orcid0000-0003-3000-0522
person.identifier.ridA-6139-2009
person.identifier.ridI-5408-2013
person.identifier.scopus-author-id53981714800
person.identifier.scopus-author-id7005699446
person.identifier.scopus-author-id7006693687
person.identifier.scopus-author-id56681825500
person.identifier.scopus-author-id7003725276
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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