Land Ecological Security Evaluation of Small Town in the East of China

Based on having good understanding of the concept and theory of land ecological security,this paper mainly established the indicator system of land ecological security evaluation of small town in the east of China,which including 24 indicators and in view of economical and social safety,urban environmental security,rural environmental security and utilization of resources in urban and rural area.And this paper put forwards an assessment method which called efficacy function-security degree model,the land of Dawebkou Town is systematically evaluated based on this model.The result shows that it is relative secure of the land at Dawenkou Town,and also there are some unsafe factors in the land use.