As wetland degradation is affected by natural, regional socio-economic development and many other factors, the comprehensive study of wetland ecosystem has attracted many scholars’ attention at present. To find the human factors in socio-economic development which affect the degradation of wetlands in China and predict its development trends, this paper attempts to reveal man-made factors that influence the degradation of wetlands by employing such methods as principal component analysis and regression analysis. The results indicate that three factors are connected with the human impact of wetland degradation including urban development (FAC1), rural production conditions, national infrastructure development (FAC2), and resource endowment (FAC3). By multiple linear regression, four indexes associated with wetland degradation are all influenced by FAC1 significantly (α=0.05), including area of wetland (Y1), surface water amount of resources (Y2), area of natural wetland (Y3) and the proportion of wetland to the country area (Y4). Y3 is closely connected to urban development(α=0.01); FAC2 exerts great influence on Y3 and Y4; and FAC3 affects Y3 notably. Based on the linear equations, the study forecasts development trend of wetland in the near future and puts forward suggestions accordingly.
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