Analysis on Sustainability of Cultivated Land in Henan Province Based on Ecological Footprint Model

The model of ecological footprint is a good way to measure the sustainable development of a region,which could reflect the station of the sustainability very directly.This paper explores this model,with the method of variable average yield of the area,making a dynamic analysis on the ecological footprint about the cultivated land in Henan province during 2000～2005.The result showed that there are some differences in the utilization of cultivated land among 18 cities in Henan province,the ecological resources of cultivated land are not in the condition of sustainable utilization and the sustainability of the cultivated land is alleviated to some extent in Henan province.