Journal
FOLIA PRIMATOLOGICA
Volume 84, Issue 1, Pages 1-10Publisher
KARGER
DOI: 10.1159/000345549
Keywords
Ateles belzebuth; Population density; Group size; Geographic distribution; Sympatry; Ateles chamek; Conservation
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The white-fronted spider monkey, Ateles belzebuth, is listed as 'Endangered' according to the IUCN classification. In Peru it is found in the departments of Loreto, San Martin, Amazonas and Cajamarca, but detailed data on its geographic distribution, population densities and conservation status are scarce. In order to obtain such information, we conducted transect censuses on the Rio Aushiri and Rio San Antonio (right bank of Rio Napo), and between the Rio Curaray and the Rio Arabela and Rio Nashino, respectively, and made additional explorations on the northern and southern banks of the Rio Maranon. We obtained 48 sightings along 761 km of census transect. Group size and population densities were lower in an area with high hunting pressure compared to areas with medium or low hunting pressure. Besides hunting, increasing deforestation is a major threat to the survival of A. belzebuth in Peruvian Amazonia. Copyright (c) 2012 S. Karger AG, Basel
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