The loess plateau is located in the Yellow River upstream and haihe ethnics-people.The Yellow River is the cradle of human civilization since ancient times,for the biggest area loess defined.But because of loess plateau area itself inherent natural environment fragile,for a long time,because of land utilization,not serious soil erosion,resources are destroyed,worsening ecological environment,make the ecological environment of the loess plateau in recent years happened in profound changes.The loess plateau,b...
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