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Plos One : Site Fidelity in Space Use by Spider Monkeys Ateles Geoffroyi in the Yucatan Peninsula, Mexico, Volume 8

By Gursky-doyen, Sharon

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Book Id: WPLBN0003966749
Format Type: PDF eBook :
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Reproduction Date: 2015

Title: Plos One : Site Fidelity in Space Use by Spider Monkeys Ateles Geoffroyi in the Yucatan Peninsula, Mexico, Volume 8  
Author: Gursky-doyen, Sharon
Volume: Volume 8
Language: English
Subject: Journals, Science, Medical Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary)
Historic
Publication Date:
Publisher: Plos

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Gursky-Doyen, S. (n.d.). Plos One : Site Fidelity in Space Use by Spider Monkeys Ateles Geoffroyi in the Yucatan Peninsula, Mexico, Volume 8. Retrieved from http://netlibrary.net/


Description
Description : Animal home ranges may vary little in their size and location in the short term but nevertheless show more variability in the long term. We evaluated the degree of site fidelity of two groups of spider monkeys (Ateles geoffroyi) over a 10- and 13-year period, respectively, in the northeastern Yucatan peninsula, Mexico. We used the Local Convex Hull method to estimate yearly home ranges and core areas (defined as the 60% probability contour) for the two groups. Home ranges varied from 7.7 to 49.6 ha and core areas varied from 3.1 to 9.2 ha. We evaluated the degree of site fidelity by quantifying the number of years in which different areas were used as either home ranges or core areas. Large tracts were used only as home ranges and only for a few years, whereas small areas were used as either core area or home range for the duration of the study. The sum of the yearly core areas coincided partially with the yearly home ranges, indicating that home ranges contain areas used intermittently. Home ranges, and especially core areas, contained a higher proportion of mature forest than the larger study site as a whole. Across years and only in one group, the size of core areas was positively correlated with the proportion of adult males in the group, while the size of home ranges was positively correlated with both the proportion of males and the number of tree species included in the diet. Our findings suggest that spider monkey home ranges are the result of a combination of long-term site fidelity and year-to-year use variation to enable exploration of new resources

 

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