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Population structure of short-finned pilot whales in the oceanic archipelago of Madeira based on photo-identification and genetic analyses: implications for conservation

2013Journal article Open access
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dc.contributor.authorAlves, Filipe
dc.contributor.authorQuérouil, Sophie
dc.contributor.authorDinis, Ana
dc.contributor.authorNicolau, Cátia
dc.contributor.authorRibeiro, Cláudia
dc.contributor.authorFreitas, Luís
dc.contributor.authorKaufmann, Manfred
dc.contributor.authorFortuna, Caterina
dc.date.accessioned2021-10-07T13:33:24Z
dc.date.available2021-10-07T13:33:24Z
dc.date.issued2013
dc.description.abstract1. Pilot whales Globicephala spp. are known to display a hierarchical social pattern, but longitudinal data to infer population structure of short-finned pilot whales Globicephala macrorhynchus are rare. 2. Using data collected between 2003-2011 in the oceanic archipelago of Madeira, the grouping structure of short-finned pilot whales was studied using photo-identification methods and mtDNA sequences and microsatellite markers to test the hypotheses that (1) there is at least one pelagic and one or more island-associated communities, and (2) groups are made of related individuals, with a matrilineal social structure. 3. Pilot whales demonstrated a large degree of variability in site fidelity, including residents (up to 14-year interval), regular visitors and transients. The social and temporal analyses revealed a well-differentiated society with long-lasting relationships (of years). The genetic analyses suggested that individuals of the three residency patterns may not be genetically isolated, and that small groups are made up of related individuals, suggesting some degree of social philopatry, while large groups are probably temporary associations of smaller groups. 4. It is proposed that the pilot whales encountered in Madeira belong to a single population encompassing several clans, possibly three clans of island-associated whales and others of transients, each containing two to three matrilineal pods, each with a mean of 15 individuals (SD=9, range: 4-29). We suggest that the clans interact for mating purposes when they meet. 5. For management decisions, it is considered that the island-associated whales should not be regarded as demographically independent populations, but instead as stable social entities to be included in governmental management plans and requiring periodic evaluation of their status. The high proportion of marked individuals and low rate of mark change encourages further research in this species.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlves, F., Quérouil, S., Dinis, A., Nicolau, C., Ribeiro, C., Freitas, L., ... & Fortuna, C. (2013). Population structure of short‐finned pilot whales in the oceanic archipelago of Madeira based on photo‐identification and genetic analyses: implications for conservation. Aquatic Conservation: Marine and freshwater ecosystems, 23(5), 758-776. https://doi.org/10.1002/aqc.2332pt_PT
dc.identifier.doi10.1002/aqc.2332pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3706
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherJohn Wiley and Sonspt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectIslandpt_PT
dc.subjectOceanpt_PT
dc.subjectEcological statuspt_PT
dc.subjectGeneticspt_PT
dc.subjectHabitat managementpt_PT
dc.subjectMammalspt_PT
dc.subjectArchipelago of Madeira (Portugal)pt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titlePopulation structure of short-finned pilot whales in the oceanic archipelago of Madeira based on photo-identification and genetic analyses: implications for conservationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F19680%2F2004/PT
oaire.citation.endPage776pt_PT
oaire.citation.issue5pt_PT
oaire.citation.startPage758pt_PT
oaire.citation.titleAquatic Conservation: Marine and Freshwater Ecosystemspt_PT
oaire.citation.volume23pt_PT
oaire.fundingStreamSFRH
person.familyNameAlves
person.familyNameDinis
person.familyNameKaufmann
person.givenNameFilipe
person.givenNameAna
person.givenNameManfred
person.identifier.ciencia-id1F1F-08D6-E54D
person.identifier.ciencia-id0412-30C5-4376
person.identifier.ciencia-idA316-A34A-F7AF
person.identifier.orcid0000-0003-3752-2745
person.identifier.orcid0000-0002-1508-9197
person.identifier.orcid0000-0001-6213-3229
person.identifier.ridA-7561-2013
person.identifier.scopus-author-id26665393900
person.identifier.scopus-author-id35264346100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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