Variation of Project Benefit for Land Comprehensive Improvement

To explore the change laws of land comprehensive improvement project benefit of village domain，land comprehensive improvement projects in three kinds of landscape of Chongqing were chosen as research object，using the analytic hierarchy process（AHP） to calculate the value of single and comprehensive benefit evaluation.The results showed that the value of comprehensive benefit evaluation were Tianzi village＞Dazhu village＞Daquan village，and the value was 0.739 1，0.739 1，0.699 4 in turn.The single benefit of social and economic presented Tianzi village＞Dazhu village＞Daquan village.But the ecological and landscape benefits presented Dazhu village＞Tianzi village＞Daquan village.The conclusion showed that there had different benefits on land comprehensive improvement project in different village domain，and the benefits of land comprehensive improvement project were influenced by natural conditions，social economic and other factors.