Causes, Consequences and Cost-Benefit Analysis of the Conflicts Caused by Tiger Straying Incidents in Sundarban, India

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• 作者：Chandan Surabhi Das
• 关键词：Cost ; benefit analysis ; Depredation ; Fencing ; Human–tiger conflicts ; Tiger straying
• 刊名：Proceedings of the Zoological Society
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：68
• 期：2
• 页码：120-130
• 全文大小：1,168 KB
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• 作者单位：Chandan Surabhi Das (1) (2)
  
  1. Taki Govt. College, North 24 Pgs, Taki, 743429, West Bengal, India
  2. 12, North End Road, East End Park, Kolkata, 700099, West Bengal, India
  
• 刊物主题：Life Sciences, general; Zoology; Animal Anatomy / Morphology / Histology; Animal Genetics and Genomics; Biodiversity; Conservation Biology/Ecology;
• 出版者：Springer India
• ISSN：0974-6919

文摘

An increasing number of tigers are leaving natural mangrove habitats and straying into the surrounding villages in the Indian Sundarban. This creates a serious hazard for humans, livestock and tigers. Household surveys in villages adjacent to the mangroves found 237 incidents of tigers straying during 1995-010. An average of 14 tigers strays into villages per year. Consequences of tigers straying include, villagers killed (N = 7) or injured (N = 73), tiger predation on livestock (N = 242), and villagers killing tigers (N = 12). Most (68 %) of tigers leaving the mangroves were male. Of female tigers, most (65 %) had litters and were accompanied by their cubs. Confusing riverside plantations with jungles or confusing paddy fields with wild grasses (31.12 % combined) and predation of domestic livestock (26.96 %) are two main reasons for tigers straying. Tigers may also prefer domestic livestock over wild boar and deer as hunting livestock is easier than hunting natural prey in mangroves. Benefit, cost ratios for human–tiger conflicts were calculated at 0.81-.92: 1. Appropriate compensation and a strategy of prey population increase might provide solutions to existing problems. Keywords Cost-benefit analysis Depredation Fencing Human–tiger conflicts Tiger straying