Of Least Concern? Range Extension by Rhesus Macaques (Macaca mulatta) Threatens Long-Term Survival of Bonnet Macaques (M. radiata) in Peninsular India

Kumar, Rishi and Radhakrishna, Sindhu and Sinha, Anindya (2011) Of Least Concern? Range Extension by Rhesus Macaques (Macaca mulatta) Threatens Long-Term Survival of Bonnet Macaques (M. radiata) in Peninsular India. International Journal of Primatology, 32 (4). pp. 945-959.

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Abstract: Rhesus and bonnet macaques are the 2 most common and widely distributed of the 8 macaque species of India. Rhesus macaques are widely distributed across southern and southeastern Asia, whereas bonnet macaques are restricted to peninsular India. We studied the current distributional limits of the 2 species, examined patterns of their coexistence in the interspecific border zones, and evaluated losses in the distributional range of bonnet macaques over the last 3 decades. Our results indicate that whereas rhesus macaques have extended their geographical range into the southern peninsula, bonnet macaques have been displaced from many areas within their former distributional range. The southern and the northern distributional limits for rhesus and bonnet macaques, respectively, currently run parallel to each other in the western part of the country, are separated by a large gap in central India, and converge on the eastern coast of the peninsula to form a distribution overlap zone. This overlap region is characterized by the presence of mixed-species troops, with pure troops of both species sometimes occurring even in close proximity to one another. The range extension of rhesus macaque—a natural process in some areas and a direct consequence of introduction by humans in other regions—poses grave implications for the endemic and declining populations of bonnet macaques in southern India.
Item Type: Journal Paper
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Keywords: Conservation Anthropogenic impacts Distribution Macaca mulatta Macaca radiata Mixed-species troops International Journal of Primatology International Journal of Primatology Look Inside Article Metrics 4 Citations 2 Social Shares Other actions Export citation Register for Journal Updates About This Journal Reprints and Permissions Add to Papers Share Share this content on Facebook Share this content on Twitter Share this content on LinkedIn
Subjects: School of Natural and Engineering Sciences > Animal Behaviour
Doctoral Programme > PhD Scholar Publications
Programmes > Ecology, Behaviour and Conservation
Divisions: Schools > Natural Sciences and Engineering
Date Deposited: 04 Nov 2015 11:43
Last Modified: 05 Jun 2021 17:45
Official URL: http://link.springer.com/article/10.1007/s10764-01...
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    Funders: UNSPECIFIED
    Projects: UNSPECIFIED
    URI: http://eprints.nias.res.in/id/eprint/855

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