Prey selection and food habits of three sympatric large carnivores in a tropical lowland forest of the Eastern Himalayan Biodiversity Hotspot

被引:38
作者
Selvan, K. Muthamizh [1 ]
Veeraswami, Gopi Govindhan [1 ]
Lyngdoh, Salvador [1 ]
Habib, Bilal [1 ]
Hussain, Syed Ainul [1 ]
机构
[1] Wildlife Inst India, Dehra Dun 248001, Uttar Pradesh, India
关键词
Tiger; Leopard; Dhole; Prey selection and Eastern Himalayas; LEOPARD PANTHERA-PARDUS; SARISKA-TIGER-RESERVE; DHOLE CUON-ALPINUS; TIGRIS-TIGRIS; NATIONAL-PARK; MADHYA-PRADESH; COMPETITION; RAJASTHAN; PREFERENCES; COEXISTENCE;
D O I
10.1016/j.mambio.2012.11.009
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Prey selection and the feeding habits of tiger Panthera tigris, leopard Panthera pardus and Asiatic wild dog Cuon alpinus were investigated from June 2009 to December 2011 in Pakke Tiger Reserve, Arunachal Pradesh. A total of 422 scats were analyzed of which, 109 scats were of tigers, 150 were of leopard and 163 scats were of dholes. Multinomial Likelihood ratio test was used to estimate the prey selectivity of predators and Ivlev index, Pianka index were used to estimate prey preference and overlap respectively. Biomass consumption for three sympatric predators varied from 254.3 kg for dholes to 599.1 kg for tigers. Sambar, barking deer, wild pig were preyed more than their availability by all the predators. Ivlev index shows barking deer and sambar were preferred more than available prey for tiger where as leopard preferred sambar more than available and avoided barking deer. Dhole preferred more than available wild pig and barking deer. There was a high overlap between tiger-leopard (85.3%) and tiger-dhole (77.5%). To the best of our understanding, this study provides the first reliable information on prey selection and food habits of sympatric large carnivores in a protected area of Eastern Himalayan tropical rainforest. (C) 2012 Deutsche Gesellschaft fur Saugetierkunde. Published by Elsevier GmbH. All rights reserved.
引用
收藏
页码:296 / 303
页数:8
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