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Mark-recapture abundance estimate of tucuxi dolphins (Sotalia fluviatilis) in a lake system of the Central Amazon

2016Journal article Restricted access
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dc.contributor.authorCoimbra, Zulmira H.
dc.contributor.authorAssis, Carlos A.
dc.contributor.authorSilva, Vera M. F. da
dc.contributor.authorSantos, Manuel Eduardo dos
dc.date.accessioned2016-01-30T11:56:08Z
dc.date.available2016-01-30T11:56:08Z
dc.date.issued2016
dc.description.abstractThe tucuxi (Sotalia fluviatilis) is a small dolphin endemic to the Amazon River basin. Because the abundance and trends are currently unknown for the species, this study aimed to estimate its abundance in a lake system of the Central Amazon. A total of 10 two-day sampling periods were carried out from March to June of 2013 throughout a 13.5 km2 area in the Mamiraua Reserve. In the 104 encounters with the species, a minimum number of 389 dolphins were sighted and photographed, which allowed the positive identification of 49 individuals. Mark-recapture models were used to estimate an abundance of 119 individuals (95% CI = 105–150) (corrected for the proportion of identifiable individuals). This is the first estimation of S. fluviatilis abundance using mark-recapture analyses and, together with the photo-id catalog made available, provides a useful reference for future studies regarding tucuxi dolphins.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT)pt_PT
dc.identifier.citationMarine Mammal Science, 32(1), 241–251. doi: 10.1111/mms.12254pt_PT
dc.identifier.doi10.1111/mms.12254pt_PT
dc.identifier.issn0824-0469
dc.identifier.urihttp://hdl.handle.net/10400.12/4309
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWiley-Blackwellpt_PT
dc.subjectBrazilian Amazonpt_PT
dc.subjectConservationpt_PT
dc.subjectMamiraua Sustainable Development Reservept_PT
dc.subjectMark-recapture analysespt_PT
dc.subjectPhoto-identificationpt_PT
dc.subjectTucuxi dolphinspt_PT
dc.subjectVarzea forestpt_PT
dc.titleMark-recapture abundance estimate of tucuxi dolphins (Sotalia fluviatilis) in a lake system of the Central Amazonpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMAR%2F04292%2F2013/PT
oaire.citation.conferencePlaceHobokenpt_PT
oaire.citation.endPage251pt_PT
oaire.citation.startPage241pt_PT
oaire.citation.titleMarine Mammal Sciencept_PT
oaire.citation.volume32pt_PT
oaire.fundingStream5876
person.familyNamede Noronha Gamito Afonso dos Santos
person.givenNameManuel Eduardo
person.identifier.ciencia-id4E18-0CBD-48E0
person.identifier.orcid0000-0001-8225-9398
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscoveryb7ab5e0d-61c3-4044-9cb5-73bdb6ed372d
relation.isProjectOfPublicationb45075bd-b8ca-49a6-bfec-2030828e7160
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