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Abstract
The estimation of the abundance, distribution, site fidelity and evaluation of the biological state of bottlenose dolphins Tursiops
truncatus in the laguna of Agiabampo Sonora-Sinaloa were assessed during a five -year boat-based photoidentification study.
Four-hundred ninety four dolphins were individually identified. Dolphins were surveys in 124 opportunity and 1,152 individuals were
observed. The distribution was frequently near of the mouth of the sistema lagunar of Agiabampo. Jolly-Seber open population
estimates during the 1995 - 2001 study period varied between 2,181 and 1,945 and Lincoln close population estimates the
abundance in all study were of 2,897. Only one dolphin was identified with site fidelity permanent and five dolphins with site fidelity
seasonal.
 
Keywords 
Bottlenose dolphins, Tursiops truncatus, photoidentification, abundance, distribution, Agiabampo.
 
Revista de Zoología
ISSN: 0188-1884
tizoc@correo.unam.mx
Universidad Nacional Autónoma de México
México
Patiño Valencia, José Luís; Vargas Molina, Ana Georgina; Díaz Avalos, Carlos
Estimación poblacional de toninas Tursiops truncatus, en la Bahía de Agiabampo Sonora-
Sinaloa, México en verano y otoño de 1995 al 2001
Revista de Zoología, núm. 19, 2008, pp. 15-21
Universidad Nacional Autónoma de México
Tlalnepantla, México
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