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Seasonal Differences in Activity Patterns of Geoffroyis Spider Monkeys (Ateles geoffroyi)

Summary: Seasonal Differences in Activity Patterns
of Geoffroyi´s Spider Monkeys (Ateles geoffroyi)
Living in Continuous and Fragmented Forests
in Southern Mexico
Óscar M. Chaves & Kathryn E. Stoner &
Víctor Arroyo-Rodríguez
Received: 17 May 2010 /Accepted: 21 January 2011 /Published online: 6 May 2011
# Springer Science+Business Media, LLC 2011
Abstract Understanding how primates adjust their behavior in response to
seasonality in both continuous and fragmented forests is a fundamental challenge
for primatologists and conservation biologists. During a 15-mo period, we studied
the activity patterns of 6 communities of spider monkeys (Ateles geoffroyi) living in
continuous and fragmented forests in the Lacandona rain forest, Mexico. We tested
the effects of forest type (continuous and fragmented), season (dry and rainy), and
their interaction on spider monkey activity patterns. Overall, monkeys spent more
time feeding and less time traveling in fragments than in continuous forest. A more
leafy diet and the spatial limitations in fragments likely explain these results. Time
spent feeding was greater in the rainy than in the dry season, whereas time spent
resting followed the opposite pattern. The increase in percent leaves consumed, and
higher temperatures during the dry season, may contribute to the observed increase


Source: Arroyo Rodríguez, Víctor - Centro de Investigaciones en Ecosistemas, Universidad Nacional Autónoma de México


Collections: Biology and Medicine; Environmental Sciences and Ecology