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Group-size and age-sex composition of Nilgiri langur Trachypithecus johnii (Primates: Cercopithecidae) in India

Author:

Debahutee Roy

Department of Zoology, Division of Wildlife Biology, A.V.C. College Mannampandal, Mayiladuthurai, Tamil Nadu, LK
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Abstract

Group size and group composition of Nilgiri langur (Trachypithecus johnii) was studied in two habitats of Parambikulam Tiger Reserve, Kerala, India. Group size and age-sex composition data was collected during scan sampling, 18 monitoring transect lines, road-strip count, and direct encounter of the groups. Mean group size value significantly differ between moist deciduous forest and evergreen forest. Group size was varied from 2 to 22. The maximum group size, 22 was recorded in evergreen forest habitat. The mean group size of Nilgiri langur is less in moist deciduous forest and higher in evergreen forest.

DOI: http://dx.doi.org/10.4038/tapro.v4i2.5060

TAPROBANICA. October, 2012. Vol. 04, No. 02: pp. 83-87

How to Cite: Roy, D., (2012). Group-size and age-sex composition of Nilgiri langur Trachypithecus johnii (Primates: Cercopithecidae) in India. TAPROBANICA: The Journal of Asian Biodiversity. 4(2), pp.83–87. DOI: http://doi.org/10.4038/tapro.v4i2.5060
Published on 25 Dec 2012.
Peer Reviewed

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