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| Approach to Health Diagnoses of Eco-economy System in Small Watershed of Heiniuhe |
| Dai Quanhou1,2,3,Liu Guobin1,Wang Yuebang2,Liu Mingyi2 |
1.Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Northwest A & F
University,712100,Yangling,Shaanxi;2.The Soil and Water Conservation Institute of Jilin Province,130033,Changchun;3.Graduate School of Chinese Academy of Sciences,100039,Beijing: China |
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Abstract Taking the small watershed of Heiniuhe as an example,based on the analysis of the present situation and characteristics of small watershed,the health status of eco-economy system in the small watershed of the region is quantificationally diagnosed and evaluated.31 factors were selected as evaluating factors to build the diagnosis index system.The method of AHP which were supported by the entropy technique was applied to fix the weight of index.The system health level is judged by integration diagnose which uses the fuzzy membership function and the linear weighted function.The conception of "Obstacle degree" and "Advantage degree" were introduced to apply the pathology obstacle and advantage diagnosis,and according to the main obstacle factors and advantages.The specfic countermeasures and suggestions were put forward for healthy development of small watershed.
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Received: 07 June 2005
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