Evaluation model and promotion based on the ecological characteristics of Saihanba

Saihanba Mechanical Forest Farm is an important sand source control project area in China. In order to promote the excellent case of other regions country and even Asia-Pacific region, we have established a ecological environmental impact model engineering construction assessment model, provide suggestions for establishment protection areas China countries region. This paper determined index influence evaluation system using frequency analysis method theoretical research method, TOPSIS weight based on entropy establish complete system. Subsequently, introduced data relevant indicators around 1962 into system, which got good scores, indicating that has great positive environment. On basis problem 1, this had redefined weight, sandstorm background Beijing, brought Beijing recent years played relatively significant optimization effect all Beijing. view 3, article was first divided 9 different service functional zones according National function zoning (revised version) proposed by Ministry Environmental Protection Chinese Academy Sciences. Meanwhile, modified DPSIR. The fully omitted ecological, economic, policy factors .Meanwhile, multi-objective planning genetic algorithm used solve above problems determine best number scale reserves