Dynamic Calculation and Analysis of Ecological Footprint of Gansu Province

Ecological footprint has been widely used for sustainable development measurement.This paper,with the ecological footprint method,makes a time sequence calculation of the ecological footprints of Gansu Province from 1996 to 2003,incorporates the dynamic characteristics of the Province's resources utilization into ecological footprint model,and,based on these,analyzes the development trends of this Province.It shows that the per capita demand of ecological footprint presentes increase trend,while the per capita supply of ecological footprint downwards trend;Gansu Province is in a sustainable status in 1996 and in a unsustainable status in other remaining four years,suggesting that the development status of Gansu Province from 1996 to 2003 was not optimistic.