M Sc Dissertation(WII)

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Habitat Utilization and Distribution Pattern of Indian Wild Pig [sus scrofa cristatus] in Sariska Tiger Reserve
(1991) Rao, D.D. Bhujanga; Rawat, G.S.
Habitat utilization and distribution pattern of wild pig (Sus scrota cristatus) was studied in Core I of Sariska Tiger Reserve, Rajasthan over winter and early summer. Habitat was stratified into scrubland, mixed woodland, Zizyphus woodland, and Anogttissus Forest, and important parameters such as vegetation, phenology of important plants, topography, water and disturbance were quantified. Four foot transects (two in plains and two in hills) and three cycle transects covering 188 km and 688 km respectively over two seasons gave a total sighting of 206 wild pigs .Of these 117 were in scrub 35 in Mixed woodland 51 in Zizyphus woodland, and 3 in Anogeissus forest. It was found that wild pigs utilized Zizyphus woodland in winter (density=32.97) and scrubland in summer (density=17.29) more than availability . This shows that there is a definite shift in the habitat use from winter to summer. The distribution pattern of wild pigs in various habitats and availability of important food plants during summer (pinch period) are analysed. The data from dung analysis and indirect evidences from digging show their omnivorous food habit, and a definite seasonality in food intake.