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《Ecology and Environmental Sciences》 2011-Z2
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Combination of GIS and AHP comprehensive assessment evaluation of the ecological environment:A case study in Western of Chongqing

WANG Jingya1,2,HE Zhengwei1,2,YU Huan2 1.State Key Laboratory of Geohazard Prevention and Geoenvironment Protection(Chengdu University of Technology),Chengdu 610059,China;2.College of Earth Sciences,Chengdu University of Technology,Quaternary Geology,Chengdu 610059,China  
The regional eco-environmental evaluation index system involves many indexes,and the result of regional eco-environmental evaluation should reflect the spatial pattern of regional eco-environment.The analytic hierarchy process(AHP) has the special advantage in multi-indexes evaluation and the GIS are perfect at spatial analysis.The combination of GIS with AHP will develop the capabilities of each method fully first: to set up the eco-environmental evaluation index system based on the eco-environmental characteristic of Western Area of Chongqing.Then,to calculating the weight of each index and the value of each evaluation cell by AHP,and finally,draw to the map of the eco-environmental evaluation of the whole province automatically by GIS.It was found that eco-environmental quality of Western Area of Chongqing from south to north.With exception in a few areas,the spatial pattern of eco-environment is consistent with that of natural environment.It indicates that natural factors will choose the spa-tial pattern of eco-environment in Western Area of Chongqing.However,some other factors such as society,economy and environ-mental pollution can also affect the eco-environment and influence its spatial pattern in some cases.
【Fund】: 国家自然科学基金项目(40972225);; 成都理工大学青年科学基金项目(2010QJ08);成都理工大学高层次人才科研启动基金项目(HJ0070)
【CateGory Index】: X826
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