NDLI: Possible shift in macaque trophic level following a century of biodiversity loss in Singapore

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Possible shift in macaque trophic level following a century of biodiversity loss in Singapore

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Professor Toshisada Nishida (1941–2011)

Professor Toshisada Nishida, a pioneer and a leading scientist in primatology

Primates : Volume 52, Issue 2, April 2011

Primates : Volume 52, Issue 1, January 2011

Possible shift in macaque trophic level following a century of biodiversity loss in Singapore

Content Provider	Springer Nature Link
Author	Gibson, Luke
Copyright Year	2011
Abstract	Biodiversity loss in tropical forests is a major problem in conservation biology, and nowhere is this more dire than in Southeast Asia. Deforestation and the associated loss of species may trigger shifts in habitat and feeding preferences of persisting species. In this study, I compared the habitat use and diet of long-tailed macaque (Macaca fascicularis) populations in Singapore from two time periods: museum specimens originally collected between 1893 and 1944, and living macaques sampled in 2009. I collected hair and used stable carbon and nitrogen isotope analysis to identify temporal changes in dietary source and trophic position, respectively. δ13C ratios were virtually identical, suggesting that macaques foraged in similar habitats during both time periods. However, δ15N ratios decreased considerably over time, suggesting that macaques today feed at a lower trophic level than previously. This decline in trophic level may be because of the disappearance or decline of other species that compete with macaques for fruit. This study highlights the effect of biodiversity loss on persisting species in degraded habitats of Southeast Asia, and improves our understanding of how species will adapt to further human-driven changes in tropical forest habitats.
Starting Page	217
Ending Page	220
Page Count	4
File Format	PDF
ISSN	00328332
Journal	Primates
Volume Number	52
Issue Number	3
e-ISSN	16107365
Language	English
Publisher	Springer Japan
Publisher Date	2011-05-25
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Deforestation Extinctions Frugivory Macaca fascicularis Stable isotopes Trophic decline Urbanization Zoology Evolutionary Biology Behavioural Sciences Animal Ecology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology

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Possible shift in macaque trophic level following a century of biodiversity loss in Singapore.

NEWS AND PERSPECTIVES Possible shift in macaque trophic level following a century of biodiversity loss in Singapore

Variation in hair δ13C and δ15N values in long-tailed macaques (Macaca fascicularis) from Singapore

Lead levels in long-tailed macaque (Macaca fascicularis) hair from Singapore

Conservation of tropical birds: mission possible?

Tubular anomalous bones found in both thighs of a long-tailed macaque (Macaca fascicularis)

Tail length variation inMacaca fascicularis andM. mulatta

A matrilineal overthrow with destructive aggression inMacaca fascicularis

Variability of tail length in hybrids of the Japanese macaque (Macaca fuscata) and the Taiwanese macaque (Macaca cyclopis)

Possible shift in macaque trophic level following a century of biodiversity loss in Singapore

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Possible shift in macaque trophic level following a century of biodiversity loss in Singapore.

NEWS AND PERSPECTIVES Possible shift in macaque trophic level following a century of biodiversity loss in Singapore

Variation in hair δ13C and δ15N values in long-tailed macaques (Macaca fascicularis) from Singapore

Lead levels in long-tailed macaque (Macaca fascicularis) hair from Singapore

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Possible shift in macaque trophic level following a century of biodiversity loss in Singapore