从生态足迹看两汉河西走廊农业开发

he analytic method of Ecological Footprint is proposed by William and his postgraduate candidate Wackernagel in the early 1990’s, which is a way of weighing quantitative investigation on sustainable development. The ecological footprint of Hexi in Han Dynasty is the consumption of the ecologically productive area needed, and if this consumption is not satisfied by ecological capacity, the problem of ecological environment is appeared, and the civilization in Hexi is unsafe, and the area is in an unsustainable development.