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Long-distance migrations and seasonal movements of meagre (Argyrosomus regius), a large coastal predator, along the Iberian Peninsula coast

2024-05-09Artigo científico Acesso aberto
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
dc.contributor.authorGandra, Miguel
dc.contributor.authorWinkler, Alexander
dc.contributor.authorAfonso, Pedro
dc.contributor.authorAbecasis, David
dc.date.accessioned2026-03-17T10:19:23Z
dc.date.available2026-03-17T10:19:23Z
dc.date.issued2024-05-09
dc.description.abstractBackground The meagre, Argyrosomus regius, is a large coastal predatory fish inhabiting waters from the north-eastern Atlantic and Mediterranean Sea, where it is targeted by commercial and recreational fisheries. Previous genetic studies have found an unexpectedly high population differentiation not only between the Atlantic and the Mediterranean, but also along the Atlantic coast. However, the reasons underpinning this genetic barrier remained unclear. Likewise, even though the species is amongst the world’s largest marine teleosts, knowledge about its movement ecology and migratory behaviour remains notably scarce, and primarily reliant on fisheries-dependent data. Methods In this study, we used a combination of acoustic telemetry and pop-up satellite archival tags to investigate the movements of 22 adult meagre (70–143 cm total length) along the Southwestern coast of the Iberian Peninsula. Results Our results strongly suggest that the previously reported genetic differentiation is not maintained by limited adult dispersal/movement, as hypothesized. On the contrary, we documented some of the longest individual annual migrations ever recorded for a coastal teleost, up to >2000 km, with frequent back-and-forth movements between the West and Southern Iberian coasts. Moreover, their detected regional movement patterns support the existence of a marked seasonal behavioural shift, with individuals being less active and moving to deeper waters during winter, and are consistent with spawning philopatry associated to their summer reproductive movements. Finally, we identified putative aggregation areas that may harbour important feeding/overwintering grounds. Conclusions These findings shed new light on the movement and behaviour patterns of meagre that may be of particular importance for the conservation and spatial management of this species throughout its range, and open the door to further research on functional connectivity.eng
dc.description.sponsorshipDL57/2016/CP1361/CT0036
dc.identifier.doi10.1186/s40462-024-00469-7
dc.identifier.issn2051-3933
dc.identifier.urihttp://hdl.handle.net/10400.1/28436
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Science and Business Media LLC
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationUnderstanding behavioural rules in movements of marine megafauna
dc.relationEcological bases for sustainable management of meagre
dc.relation.ispartofMovement Ecology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectMovement ecology
dc.subjectPop-up satellite archival tags
dc.subjectAcoustic telemetry
dc.subjectPredatory fish
dc.subjectMigration
dc.subjectPhilopatry
dc.titleLong-distance migrations and seasonal movements of meagre (Argyrosomus regius), a large coastal predator, along the Iberian Peninsula coasteng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04326/2020
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oaire.awardNumberLA/P/0101/2020
oaire.awardNumberUI/BD/151309/2021
oaire.awardNumberPTDC/BIA-BMA/30278/2017
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleUnderstanding behavioural rules in movements of marine megafauna
oaire.awardTitleEcological bases for sustainable management of meagre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT//UI%2FBD%2F151309%2F2021/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FBIA-BMA%2F30278%2F2017/PT
oaire.citation.issue1
oaire.citation.startPage35
oaire.citation.titleMovement Ecology
oaire.citation.volume12
oaire.fundingStream6817 - DCRRNI ID
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oaire.fundingStream9471 - RIDTI
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameGandra
person.familyNameWinkler
person.familyNameAbecasis
person.givenNameMiguel
person.givenNameAlexander
person.givenNameDavid
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person.identifier.orcid0000-0002-9802-8153
person.identifier.ridB-2871-2012
person.identifier.scopus-author-id56377076100
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