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Movement patterns and connectivity of argyrosomus regius along the southwest coast of Portugal using network analysis

2026-01Journal article Restricted access
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dc.contributor.authorFanna, Samuele
dc.contributor.authorGandra, Miguel
dc.contributor.authorKraft, Sebastian
dc.contributor.authorMartínez Ramírez, Lucas
dc.contributor.authorVilas, Cesar
dc.contributor.authorWinkler, Alexander
dc.contributor.authorAbecasis, David
dc.date.accessioned2025-12-17T10:56:39Z
dc.date.available2025-12-17T10:56:39Z
dc.date.issued2026-01
dc.description.abstractThe meagre (Argyrosomus regius) is a large teleost inhabiting the coastal waters of the East Atlantic Ocean and the Mediterranean Sea. Along the Iberian Peninsula, it is frequently targeted by both commercial and recreational fisheries. Despite its relevance, information on its population structure and movement ecology has been scarce until recently. While these studies have provided a foundation, information on the main migratory corridors along the coast is still missing. The current study aimed to identify primary migratory routes, aggregations, and residency sites along the Southwest coast of Portugal. Forty-nine adult meagres were captured and tagged with acoustic transmitters between 2018 and 2023. Their movement was monitored from 122 acoustic receivers, grouped into 25 arrays, which were deployed throughout the Gulf of C´adiz and along the Southwest coast of Portugal. A spatial network approach was applied to analyse these data. The locations near the tagging site and along the Southwest coast displayed high values of eigenvector and betweenness centralities, indicating their crucial role in facilitating the connectivity of adult meagre between the two regions. Furthermore, co-occurrences outside the spawning season highlight their role as potential feeding grounds. The number of detections and co-occurrences near the Guadiana Estuary provides further evidence that the location may serve as a spawning ground, although additional data are needed to confirm this. Our findings expand previous research, identifying key passages and aggregation sites for meagre along the coast. These results can inform management and conservation efforts, particularly in the context of marine spatial planning.eng
dc.description.sponsorshipDL57/2016/CP1361/CT0036; 2023.07953.CEECIND; STRAITGIB/PR.FEM.PPA202200.007; GUADALQUIVIR- LTEES/PR.FEMPA.DIP2023B.006
dc.identifier.doi10.1016/j.ocecoaman.2025.107975
dc.identifier.issn0964-5691
dc.identifier.urihttp://hdl.handle.net/10400.1/27969
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
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.relation.ispartofOcean & Coastal Management
dc.rights.uriN/A
dc.subjectSciaenidae
dc.subjectAcoustic telemetry
dc.subjectSpatial network
dc.subjectAggregations
dc.subjectPopulation connectivity
dc.subjectMarine spatial planning
dc.titleMovement patterns and connectivity of argyrosomus regius along the southwest coast of Portugal using network analysiseng
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.awardTitleUnderstanding behavioural rules in movements of marine megafauna
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.awardURIinfo:eu-repo/grantAgreement/FCT//UI%2FBD%2F151309%2F2021/PT
oaire.citation.startPage107975
oaire.citation.titleOcean & Coastal Management
oaire.citation.volume272
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameFanna
person.familyNameGandra
person.familyNameKraft
person.familyNameMartínez Ramírez
person.familyNameVilas
person.familyNameWinkler
person.familyNameAbecasis
person.givenNameSamuele
person.givenNameMiguel
person.givenNameSebastian
person.givenNameLucas
person.givenNameCesar
person.givenNameAlexander
person.givenNameDavid
person.identifier1363783
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person.identifier.ciencia-idB119-3156-BB34
person.identifier.ciencia-id7E1E-B2F7-B966
person.identifier.orcid0009-0007-9892-1308
person.identifier.orcid0000-0003-1506-5141
person.identifier.orcid0000-0003-0719-8040
person.identifier.orcid0000-0002-5170-7861
person.identifier.orcid0000-0002-6229-8880
person.identifier.orcid0000-0001-7864-8243
person.identifier.orcid0000-0002-9802-8153
person.identifier.ridB-2871-2012
person.identifier.scopus-author-id56377076100
person.identifier.scopus-author-id23017767300
project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
project.funder.nameFundação para a Ciência e a Tecnologia
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