Study on Regional Cultivated Land Resource Sustainable Utilization Evaluation— A Case Study of Chengdu Plain

Cultivated land resource is not only the material foundation of survival and development of human, but also the essential factors guaranteeing the national food security strategy, maintaining the social stability and ensuring the sustainable development of eco-environment. The evaluation of sustainable utilization of cultivated land resource is a significant topic of regional land utilization research. In this paper, current situation and problems in cultivated land resource is analyzed for the research region centered on Chengdu Plain focusing on the urban-rural development and new rural construction based on the basic theories, including the sustainable development theory, human-land relation theory, control theory, etc. and the evaluation index system of sustainable cultivated land resource utilization is constructed for evaluating the state and variation trend of sustainable utilization of cultivated land resource from 2002 to 2010. According to the results, over the past decade, the cultivated land resource of Chengdu Plain was in sustainable, displaying the fluctuation characteristics. Although from 2003 to 2008, the comprehensive evaluation of the sustainable utilization of cultivated land resource increased, the overall sustainability was low, and the situation was not optimistic.