Preliminary study on the ecological restoration mechanism in arid area of Northwestern China

The ecosystems in arid area of Northwestern China are fragile and it is very hard if it was destroyed.This means that it is meaningful to study the restoration mechanism of ecosystems in arid area.Among various methods for the ecosystem restoration,those for the restoration mechanism of ecosystems in arid area should be emphasized on the adjustability and feasibility.Taking the projects Returning Grazing Land to Protected Grassland and Returning Arable Land to Forest in the arid areas as the examples,the strategies for the ecosystem restoration were provided.