The partition of ecological environment according to disturbance degree can direct and regulate the disturbance intensity and pattern of human activities

favoring to rationally develop resources and to protect ecological environment.Taking Qianxi county

Hebei province

for example

we put forward the principles to select influencing factors

then graded

evaluated them and fixed on their weight by grey system analysis. After comprehensive judge

the ecological environment of Qianxi county was divided into medium degree disturbance area and light degree disturbance area

and further into medium one degree disturbance area

medium two degree disturbance area

medium three degree disturbance area

light one degree disturbance area

and light two degree disturbance area. Aiming at every disturbance area

we indicated the corresponding countermeasures to regulate the intensity and pattern of human activities.