Zhou Ping, Wen Anbang, Yan Dongchun, et al. Comprehensive Eco-cleanliness Evaluation on Typical Watershed of Southern Sichuan Province Based on Fuzzy Mathematics Method[J]. Bulletin of Soiland Water Conservation, 2019, 39(1): 114-119.
DOI:
Zhou Ping, Wen Anbang, Yan Dongchun, et al. Comprehensive Eco-cleanliness Evaluation on Typical Watershed of Southern Sichuan Province Based on Fuzzy Mathematics Method[J]. Bulletin of Soiland Water Conservation, 2019, 39(1): 114-119. DOI: 10.13961/j.cnki.stbctb.2019.01.018.
Comprehensive Eco-cleanliness Evaluation on Typical Watershed of Southern Sichuan Province Based on Fuzzy Mathematics Method
[Objective] The ecological cleanliness in the small watershed of the typical ecological clean basin in South Sichuan Province was evaluated
in order to effectively guide the formulation of the implementation plan for the construction of ecological clean and small watershed in mountainous areas
and to provide scientific theory and data support for the construction of ecological clean small watershed in similar areas and the evaluation of its effect. [Methods] Based on the principles of representativeness
operability and applicability
according to the natural
social and economic characteristics of the Qingxigu small watershed
a comprehensive evaluation index system for eco-cleanliness evaluation in Qingxigu watershed was established by fuzzy mathematics method and analytic hierarchy process. [Results] The comprehensive evaluation index system of ecological cleanliness in Qingxigu watershed included 3 subsystems: ecological region
production region and living region
and 24 evaluation indices were chosen. The weight of the ecological index of watershed regulation of water system and soil conservation measurements was 0.247
the weight of ecological agriculture development was 0.373
the weight of renovating environment of human settlements was 0.380
and the total value of the ecological clean watershed was 0.772
reaching the ‘clean’ level. It indicated that the Qingxigu small watershed was in a healthy
coordinate and stable development. [Conclusion] The construction of eco-clean small watershed could improve the local agricultural condition
adjust production structure
control the non-point pollution
supply the pure and clean water resource and accelerate the sustainable development of the watershed.
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references
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