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《Journal of Foshan University(Natural Science Edition)》 2009-04
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The environmental impact assessment of land use change based on ecological green equivalence in the Hanjiang valley region

HUANG Yuan-jun (Meizhou Teachers College,Jiaying University,Meizhou 514015,China)  
Taking the Hanjiang valley region as an example,this paper established the ecology green equivalent mathematical model and calculated the value of region green equivalence based on the land-use data of 1986 and 2006.Ecological environment situation was also evaluated,taking ecological green equivalence as the measure index of the environmental impact.The results show that: 1) the ecological environment was improved in the Hanjiang valley region and its counties from 1986 to 2006,so the ecological environment has improved.2) It is clear meaning and simple calculation by using the ecological green equivalent as the indicators of the regional evaluation of ecological environment.
【CateGory Index】: F301
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