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Opportunistic data for assessing abundance and site fidelity of fin whales (Balaenoptera physalus) in the Faro area, Portugal

2026-05-11Artigo científico Acesso aberto
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg15:Proteger a Vida Terrestre
datacite.subject.sdg13:Ação Climática
dc.contributor.authorGennari, Ginevra
dc.contributor.authorRodrigues, Alfredo
dc.contributor.authorCarvalho, Pedro
dc.contributor.authorGil, Susana
dc.contributor.authorMagno, Ramiro
dc.contributor.authorCastilho, Rita
dc.contributor.authorPeres dos Santos, Rui Pedro
dc.date.accessioned2026-06-26T10:52:04Z
dc.date.available2026-06-26T10:52:04Z
dc.date.issued2026-05-11
dc.description.abstractThe distribution and migration of fin whales (Balaenoptera physalus) remain poorly understood in parts of the North Atlantic. One of these regions is the Algarve in southern Portugal, which is shaped by seasonal upwelling and the exchange of Atlantic and Mediterranean waters. This area represents a potentially critical yet poorly understood habitat for this species. This study presents the first comprehensive assessment of fin whale abundance and site fidelity in the Faro area, located approximately between 36–37° N and 8–7° W. Data was collected from 2020 to 2024 through photoidentification and GPS vessel tracks, in collaboration with a local whale-watching company. A regional catalog of 86 individuals was established, and an open spatially explicit capture-recapture model estimated a population of 1.476 individuals. Sightings peaked in spring, likely linked to phytoplankton blooms and foraging opportunities. While re-sighting rates were low, some individuals returned across years, indicating possible seasonal site fidelity. Our results demonstrate the value of data collected from platforms of opportunity in an under-surveyed region, providing a foundation for ongoing monitoring efforts. Results also highlight the Faro area’s ecological relevance as a seasonal feeding ground for fin whales and offer insights to support future conservation in the eastern North Atlantic.eng
dc.description.sponsorshipUI/BD/151306/202
dc.identifier.doi10.1007/s00227-026-04837-2
dc.identifier.issn0025-3162
dc.identifier.issn1432-1793
dc.identifier.urihttp://hdl.handle.net/10400.1/29152
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relation.ispartofMarine Biology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAlgarve
dc.subjectCapture-recapture
dc.subjectPhoto-identification
dc.subjectWhale-watching
dc.titleOpportunistic data for assessing abundance and site fidelity of fin whales (Balaenoptera physalus) in the Faro area, Portugaleng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04326/2020
oaire.awardNumberLA/P/0101/2020
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/LA%2FP%2F0101%2F2020/PT
oaire.citation.issue6
oaire.citation.titleMarine Biology
oaire.citation.volume173
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameGennari
person.familyNameCastilho
person.familyNamePeres dos Santos
person.givenNameGinevra
person.givenNameRita
person.givenNameRui Pedro
person.identifier452212
person.identifier.ciencia-id0513-0407-A6C1
person.identifier.ciencia-id2912-6AF4-751A
person.identifier.orcid0009-0006-7260-4032
person.identifier.orcid0000-0003-0727-3688
person.identifier.ridB-6185-2008
person.identifier.scopus-author-id56271196600
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
relation.isAuthorOfPublication3715f0d8-c7d7-4305-a92d-0d47875d5de9
relation.isAuthorOfPublication051f68ec-18e0-4008-b06d-bf4b996fa098
relation.isAuthorOfPublication96bc4f1c-6666-4891-882a-c781e5b46825
relation.isAuthorOfPublication.latestForDiscovery051f68ec-18e0-4008-b06d-bf4b996fa098
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