土地利用与沙漠化防治

Desertification And Its Control

沙漠化已成为我国北方地区一个重大的环境和社会经济问题。人类经济活动强度的增加和范围的扩大,造成北方地区农牧交错带的逐渐北移,地表植被覆盖的减少,使得以风沙活动为主导外营力的沙漠化过程得以发展。

Driesertification is a Serious environmental and social problem in northern area of China. Humanis activity increase and expand, agricultural area and pastoral area move northly. The resultis that upper vegetation decrease and desertification occur.