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Much of the primatology literature on stable isotope ratios of carbon (δ13C) and nitrogen (δ15N) has focused on African and New World species, with comparatively little research published on Asian primates. Here we present hair δ13C and δ15N isotope values for a sample of 33 long-tailed macaques from Singapore. We evaluate the suggestion by a previous researcher that forest degradation and biodiversity...
Nonhuman primates are potentially good sentinels of environmental toxicants because they share a similar physiology and life history with humans. In this report we present the results of an analysis of lead concentrations in hair from long-tailed macaques in Singapore. We hypothesized that because Singapore is highly urbanized, its macaque population may be exposed to higher levels of lead. The results...
The long-tailed macaque (Macaca fascicularis) population of the island-state of Singapore consists of ca. 1,218–1,454 individuals. About seventy percent of the population (ca. 1,027 individuals) is concentrated in both Bukit Timah and Central Catchment Nature Reserves, a system of reservoirs and forest reserves located in the center of Singapore. This core population resides mainly along perimeter...
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