Abstract:

With the regional economy quickly developing,soil in the Yangtze River Delta has been seriously polluted,which has become a threat to the sustainable use of land resources.The socioeconomic reasons of soil pollutions in the typical area of the Yangtze River Delta are the following：the lag of the formulation of special legislation to control soil pollution，imperfect law of China's collective land property rights protection,the fierce regional competition among local governments since China's reform and opening up,and the asymmetric information between central government and local government that leads to the more serious soil pollution.In order to prevent soil pollution effectively and maintain the sustainable use of land resources,it is necessary to change the performance evaluation mechanism for local officials as soon as possible,encourage all citizens to prevent soil pollution to eliminate the asymmetric information between central government and local government,speed up the legislation of soil pollution prevention and collective land property rights protection and use the economic instrument such as soil pollution margin in a comprehensive way.

Key words: the Yangtze River Delta/soil pollution/sustainable use of land resources