THE ASSESSMENT OF ECOSYSTEM HETH OF WETLAND OF JIAOLIU RIVER BASED ON GIS

With the influences of the glohal clinate changes and the human interferences,the health of wetland ecosystem is suffering from serious threats.The comprehensive analysis of present condition of wetland ecosys- tem,health assessment provides the useful information for governors,decision making in order to,protect and manage wetland resources.As wetland ecosystem is a complicated process,different assessment indicators select- ed is required for assessing wetland ecosystem health.With the method of fuzzy multiple comprehensive assess- ment,the complicated assessment is converted into a qualitative assessment and theretore the ecosystem health of wetland of J iaoliu River can be analysed reasonably and efficiently.