Variation in hair δ13C and δ15N values in long-tailed macaques (Macaca fascicularis) from Singapore
Primates
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Abstract
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 loss in Singapore have led to a decline in macaque trophic level. The results of our analysis indicated significant spatial variability in δ13C but not δ15N. The range of variation in δ13C was consistent with a diet based on C3 resources, with one group exhibiting low values consistent with a closed canopy environment. Relative to other macaque species from Europe and Asia, the macaques from Singapore exhibited a low mean δ13C value but mid-range mean δ15N value. Previous research suggesting a decline in macaque trophic level is not supported by the results of our study.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Variation in hair δ13C and δ15N values in long-tailed macaques (Macaca fascicularis) from Singapore |
| Series title | Primates |
| DOI | 10.1007/s10329-013-0361-7 |
| Volume | 55 |
| Issue | 1 |
| Year Published | 2014 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Fort Collins Science Center |
| Description | 10 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Primates |
| First page | 25 |
| Last page | 34 |
| Country | Singapore |
| Google Analytic Metrics | Metrics page |