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Authors: Manoj, K
Allwin, Boon
Vedamanickam, Stalin
Title: Estimation of Group Size, Age and Sex Composition of Evident Prey Species in the Segur Plateau, Nilgiri Biosphere Reserve
Other Titles: Journal of Ecosystem and Ecography
Language: en
Type: Article
Pages: 1-5
Volume: 5
Series/Report no.: ;3
Agrotags: Veterinary Science
Keywords: Prey species; Group size; Composition; Sex ratio
Abstract: Segur Plateau is part of Mudumalai Tiger Reserve; the reserve extends over an area of 321 km2 and forms a part of the Nilgiri Biosphere Reserve. The sanctuary is located in the Western Ghats, which is one of the 34 Biodiversity hotspots of the world. This study was conducted to determine the population structure and evaluate the population density of different potential prey species in the segur plateau. In order to know the population structure and density, the line-transect sampling method were used. The overall individual density (number/km2) were chital (68), sambar (7.7), gaur (8.6), black napped hare (5.31), elephant (1.7) and wild pig (3.0). The chital being predominant compared to other herbivores. The mean group size of black napped hare 1.16, elephant 4.08, gaur 6.58, sambar 3.50, chital 4.08, wild pig 3.00 were calculated respectively. Age composition was also calculated, black napped hare group size range between 1 to 4 were recorded and elephant 1 to 30, gaur 1 to 80, sambar from 1 to 12, chital 1 to 150, wild pig 1 to 9. The sex ratio for elephant (1:0.5), gaur (1:3.25), sambar (1:10.6), chital (1:1.37) was estimated and it was indeterminate for wild pigs and black napped hares due to fast movement of the animals and their nocturnal behaviour.
Description: TNV_JEE_2015_5(3)1-5
Issue Date: 2015
Appears in Collections:Articles (1.Journal)

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