Studies of animal ranging patterns and the influencing ecological factors are useful for understanding the relationship between aspects of animal behavior and ecology. In a year-long study, we investigated the ranging behavior and other determining factors for a group of Francois' langur in an isolated habitat of approximately 25.7 ha in Fusui Reserve, China. The Francois' langur home range was estimated to be 15.3 ha, covering ∼60% of their total habitat. The mean yearly day range length estimate was 802.5 m (SD =295.5 m). Langurs changed sleeping sites approximately every 3 days, resulting in increases in the amount of grid cells used and the range length. Food availability of flowers and fruits were seasonal, whereas both mature and immature leaves of most trees were perennial. Ranging behavior was not significantly correlated with the availability of mature leaves, immature leaves, buds, fruits (ripe and unripe fruits) or seeds (p =0.05). These results suggested that variations in food type availability were not factors influencing ranging behavior for this langur group, whereas sleeping site changes, and probably predation avoidance, are factors that influence the ranging patterns of the langur group.
Field of Research
059999 Environmental Sciences not elsewhere classified 0608 Zoology
Socio Economic Objective
970105 Expanding Knowledge in the Environmental Sciences
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