采用科学史观简要分析了黄土高原生态环境演变的历史过程。
The process of eco-environment change was analyzed article with scientific view of history.
通过分析得出的结论是牧民减收与草原生态环境的恶化有直接的关系。
Through the above analysis, we draw a conclusion that the lower income of herdsmen has a direct relation with the adverse ecological environment in the grassland.
滥垦草原、盲目移民的结果是草原生态环境遭到严重破坏而沙化退化；
Because of abusive cultivation of grassland and unplanned immigration, the ecological environment of grassland has been deteriorating and the process of desertification is accelerated.
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