Records of Risso's dolphin, Grampus griseus, in coastal waters of southern Argentina

We review the records of published and unpublished sightings and strandings for Risso's dolphin (Grampus griseus) in subantarctic waters of the Southwestern South Atlantic Ocean. Based on 59 sighting (n = 521 individuals) and 33 stranding records (n = 88 individuals), we identified three main a...

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Bibliographic Details
Main Author: Pimper, Lida Elena
Language:unknown
Published: 2011
Subjects:
Sightings
Southwestern south atlantic ocean
Stranding
coastal water
dolphin
future prospect
movement
spatial distribution
species diversity
summer
Atlantic Ocean
Atlantic Ocean (South)
Patagonian Sea
Grampus griseus
Argentina
Austral
South Atlantic Ocean
Online Access:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07173326_v46_n3_p463_Riccialdelli
https://hdl.handle.net/20.500.12110/paper_07173326_v46_n3_p463_Riccialdelli
Description
Summary:We review the records of published and unpublished sightings and strandings for Risso's dolphin (Grampus griseus) in subantarctic waters of the Southwestern South Atlantic Ocean. Based on 59 sighting (n = 521 individuals) and 33 stranding records (n = 88 individuals), we identified three main areas of Risso's dolphin concentration in Patagonian waters, which have been observed mostly during the austral summer. We were unable to find published or unpublished reports of Risso's dolphin in offshore or over deep-water areas in this region. Future studies covering other potential areas of the species' distribution are important to improve the scarce information known for this dolphin in this area. Fil:Pimper, L.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.

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