The construction of ecological environment is one ofthe five significant projects of China’s WesternDevelopment, and arranges in the first place. In thepast few years, the constructions of ecological environ-ment made much great progress, but exposed man The construction of ecological environment is one of the five significant projects of China’s Western Development, and arranges in the first place. In the past few years, the constructions of ecological environ-ment made much great progress, but exposed man