Title
Seasonal movements of Podocnemis sextuberculata (Testudines : Podocnemididae) in the Mamiraua Sustainable Development Reserve, Amazonas, Brazil
Author(s)
Fachin-Teran, A; Vogt, RC; Thorbjarnarson, JB
Published
2006
Publisher
Chelonian Conservation and Biology
Abstract
We studied the linear home range and seasonal movements of Podocnemis sextuberculata from September 1996 to December 1998 in the Mamiraua Sustainable Development Reserve located in the middle Solim (o) over tilde es River, near Tefe, Amazonas, Brazil. We collected data on turtle movements and home range through mark and recapture and radiotelemetry, focusing on seasonal differences between periods of high and low water levels. Based on radiotelemetry of 6 females in the Jaraua River system, linear home range varied from 16.52 to 44.5 km. Nesting migrations from the Jaraua to the beaches of the Japura River averaged 18.04 km. Males did not move significantly between captures. For conservation purposes, it is of critical importance to protect both the canals that the turtles use to travel between the lakes and the river as well as the deep holes in the river where mature turtles congregate during the dry season.
Keywords
CHRYSEMYS-PICTA; TURTLE; POPULATION; RIVER
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PUB10876