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|Title:||Results of a nationwide census of the long-tailed macaque (Macaca fascicularis) population of Singapore||Authors:||Riley, Crystal M.
Jayasri, Srikantan L.
Gumert, Michael David
|Issue Date:||2015||Source:||Riley, C. M., Jayasri, S. L., & Gumert, M. D. (2015). Results of a nationwide census of the long-tailed macaque (Macaca fascicularis) population of singapore. Raffles Bulletin of Zoology, 63, 503-515.||Series/Report no.:||Raffles Bulletin of Zoology||Abstract:||Long-tailed macaques (Macaca fascicularis) are known for their ability to thrive in a wide variety of habitats, including urban areas. Singapore is an island city-state that has experienced rapid deforestation and urbanisation over the past several decades. These processes have led to the loss of most of Singapore’s large mammalian species, but long-tailed macaques still live on the island. We conducted a census of long-tailed macaques between 2011 and 2012 to determine the current status of Singapore’s macaque population. We surveyed forest edges, counted groups, and classified the age and sex of all individuals. We estimated the macaque population to be 1810–2166 individuals distributed among 92 groups, and a density averaging 6.86 individuals per km2 (range: 0.89–33.63 across six zones) in areas with macaques. We found no evidence of overpopulation. Rather, the population characteristics mirror those of non-provisioned, wild long-tailed macaque populations. However, the interpretation of our results is limited by the fact that we did not have access to records documenting the number of macaques culled in Singapore before and during this census. Without accurate culling records, it is not possible to assess what shapes the current population structure, and thus research on the past effects of culling is needed.||URI:||https://hdl.handle.net/10356/81190
|ISSN:||0217-2445||Rights:||© 2015 National University of Singapore. This paper was published in Raffles Bulletin of Zoology and is made available as an electronic reprint (preprint) with permission of National University of Singapore. The published version is available at: [http://lkcnhm.nus.edu.sg/nus/index.php/63]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
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