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Chinese Journal of Applied Ecology ›› 1999, Vol. 10 ›› Issue (5): 619-622.

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GIS based ecotope types and their relationship with survival of Bos gaurus readei

Zhang Hongliang1, Wang Renchao1, Li Zhixi2   

  1. 1. School of Environment and Resources, Zhejiang University, Hangzhou 310029;
    2. Southwest Forestry University, Kunming 650224
  • Received:1999-01-28 Revised:1999-04-22 Online:1999-09-25 Published:1999-09-25

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Abstract: With the support of ARC/INFOand ARC/VIEW, the graphic data on the basic elements of ecotopes were overlapped and analyzed, and the ecotope patterns in Nabanhe Nature Reserve of Xishuangbanna were identified. Based on these, the relationship between the ecotope types and the habitas of Bos gaurus readei was analyzed with the applications of Bayes decision and subordination degree of fuzzy mathematics. The result shows that the probability of the suitability for Bos gaurus readei was 0.292 in the tropical seasonal rainforest habitat type, 0.600 in the subtropical monsoon evergreen broad leaved forest, and 0.108 in subtropical bryo evergreen broad leaved forest, which suggests that the damage of tropical forest had threatened the habitat of Bos gaurus readei.

Key words: Ecotope types, GIS, Bayes decision, Bos gaurus readei, Xishuangbanna