Abstract: Taken the indexes of humid, vegetation cover, water proportion, land degradation and natural disaster as assessment indicators, the regional ecosystem quality was assessed by Fuzzy synthetic method, based on the data of ground observation and land use from July to September, 2006 in Fujian Province. The results showed that the ecosystem quality in the different counties of Fujian Province were all fine. The synthetic values were between 0.54 and 0.67 with small differences, which corresponded with the particular characteristics of climate, physiognomy and ecosystem of Fujian province.

Key words: Fuzzy Synthetic Method, Fuzzy Synthetic Method, Fujian, Ecosystem quality, Assessment