AN INTEGRATED EVALUATION OF LAND SUITABILITY BASED ON FUZZY SET THEORY
Fuzzy综合评判在土地适宜性评价中的应用

In this study,the fuzzy set theory,the parametric a pproach and the simple limitation method are applied to the arable land suitabil ity evaluation in Changle city,Fujian province.The results of the land suitability classification by using three methods are compared and discussed.The results of the land suitability classification based on the fuzzy set theory, is no more a single land suitability class,as in the routine,but an expression of the degree of belonging of the land unit to each of the discerned suitability classes.Comp ared with the parametric approch and the simple limitation method,the fuzzy set method showed its rationality and accuracy applied to the field of land evaluati on.