Measures on comprehensive control to rocky desertification of central Yunnan mountainous area in Kunming city

The rocky desertification area in the mountainous area of central Yunnan in Kunming is a karst area in the upper and middle reaches of Yangtze River.It is also the core area of Sichuan-Yunnan ecological barrier,and the ecological location is extremely important.The control of rocky desertification must adhere to the measures of sealing,management and construction.Through the implementation of the measures of closing hillsides to facilitate afforestation,the restoration and reproduction of forest vegetation will be accelerated.Based on the selection of patches for closing hillsides to facilitate afforestation,this paper analyzes the characteristics of spatial distribution,land types,vegetation,site conditions and other factors in detail,and scientifically selects replanting trees for afforestation.Finally,three technical measures of protection,afforestation and prohibition and eight typical models of afforestation are put forward to realize the control of rocky desertification areas,so as to provide reference for the comprehensive control of rocky desertification.