Behavioral responses of Sotalia guianensis (Cetartiodactyla, Delphinidae) to boat approaches in northeast Brazil

Behavioral responses of Sotalia guianensis (Cetartiodactyla, Delphinidae) to boat approaches in northeast Brazil

ABSTRACT Boat engines increase the noise levels of the oceans, alter the acoustic environment of cetaceans and diminish their efficiency to echolocate. This study aims to determine if Guiana dolphins (Sotalia guianensis) are influenced by boat approaches. A land-based survey was conducted to record...

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Autores principales: Marega-Imamura,Marcela, Carvalho,Gustavo Henrique de, Pendu,Yvonnick Le, Silva,Patricia Sousa da, Schiavetti,Alexandre
Lenguaje:English
Publicado: Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2018
Materias:
Sotalia guianensis
Guiana dolphin
behavior
surfacing events
dolphin-boat
estuary
Brazil
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000200268
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