The region governed by Sichuan Province at lower reaches of Jing-shajiang River is mostly lived in by national minority

being a poor andbackward place. According to local geographical condition

soil and waterloss level and the current state of agricultural development as well as itsdeveloping trend it is divided into dry and hot valley area

middle moun-tain

hills

high and middle mountain and mountainous area.It is raisedto work out combrehensive measures to control

to suit measures to localconditions

to develop rationally and to protect actively

to combine soiland water conservation with the development of commercial economy inorder to enhance virtuous ecological circle.