Abstract
In order to analyze the positive or negative effects of land use on regional ecological service system. In this paper, an ecological service evaluation model is established, which measures ecological services from the following 8 aspects: product supply, water supply, water purification, climate regulation, soil conservation, carbon sequestration and oxygen release, tourism & entertainment and biodiversity. A comprehensive evaluation model of ecological service based on grey relational degree analysis and entropy weight method is established. The influence of ecological service value evaluation model on land-use planners and project managers is analyzed, and Xi’an city and Longxian County in Shaanxi Province were taken as evaluation objects.
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