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Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Coimbra, Zulmira H. | - |
dc.contributor.author | Assis, Carlos António | - |
dc.contributor.author | Silva, Vera Maria Ferreira da | - |
dc.contributor.author | Santos, Manuel E. dos | - |
dc.date.accessioned | 2020-06-15T21:42:28Z | - |
dc.date.available | 2020-06-15T21:42:28Z | - |
dc.date.issued | 2016 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/17418 | - |
dc.description.abstract | The 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 Mamirauá 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. © 2016 Society for Marine Mammalogy. | en |
dc.language.iso | en | pt_BR |
dc.relation.ispartof | Volume 32, Número 1, Pags. 241-251 | pt_BR |
dc.rights | Restrito | * |
dc.subject | Abundance Estimation | en |
dc.subject | Conservation Management | en |
dc.subject | Dolphin | en |
dc.subject | Endemic Species | en |
dc.subject | Lake Ecosystem | en |
dc.subject | Mark-recapture Method | en |
dc.subject | Photography | en |
dc.subject | Amazonas | en |
dc.subject | Mamiraua Sustainable Development Reserve | en |
dc.subject | Marajo Varzea | en |
dc.subject | Para [brazil] | en |
dc.subject | Sotalia Fluviatilis | en |
dc.title | Mark-recapture abundance estimate of tucuxi dolphins (Sotalia fluviatilis) in a lake system of the Central Amazon | en |
dc.type | Artigo | pt_BR |
dc.identifier.doi | 10.1111/mms.12254 | - |
dc.publisher.journal | Marine Mammal Science | pt_BR |
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