Debris flows in Xian region are distributed mainly on the north slopes of Qinling Mountains

Lishan Mountain

and the high一edged slope areas of the loess tableland. They endanger local factories

schools

cities and towns

residential quarters

roads，farmland，etc

，seriously. The urgent matter facing of departments concerned of Xian city should be to investigate debris flows extentively

to plant trees and grasses widely

and to attach great importance to the construction of key projects for the prevention and control of debis flows