The truly fact shows that in Xinjiang Uygur Autonomous Region the ecological environment is improved partially, but with whole worsening situation. The increase of human survival space caused the heavy maladjustment in the ecological balance. The natural situation of disasters, including sandstorm, is frequent day by day.

Because of this Xinjiang is known as an important part for Central-Asian Sandstorm Source, one of the world four big sandstorm source areas. The autonomous region is the source area of the sandstorm in China and the heavy disaster area worsening in ecological environment...