The study on ecological benefit of grassland desertification control project based on 3S technology

In this article,vegetation, soil, windsand activities three layers index system has been established and the value of the index has been decided by AHP. Take 2 types of ecological project in xianghuang banner as example, its ecological benefit were evaluated by using the method of remote sensing interpretati GV on and ground investigation. The results show that the score of enclosure project is 75.88, the score of Aerial Seeding project is 81.07.