The main ecological environment problems in the west China are a little rain and arid, serious hazard of wind sand, topography in pieces, vast hilly gully area and intense soil and water erosion.
本文分析了晋陕蒙接壤地区资源开发中的生态环境问题,认为该地区生态环境问题主要有干旱少雨、风沙危害严重;地形破碎、沟壑纵横;水土流失面积大、侵蚀强度大。
Natural and man made factors make sand blown by wind environment, one of sourse regions of sand getting up on the spot during capital sand dust devil weathers, worse and worse.
潮白河流域密怀山前地区处于古北口—天竺东北信风带 ,自然和人为因素导致风沙化环境渐趋强烈 ,成为首都沙尘暴天气中就地起沙的源区之一。
Natural and man made factors make sand blown by wind environment, one of sourse regions of sand getting up on the spot during capital sand dust devil weathers, worse and worse.
潮白河流域密怀山前地区处于古北口—天竺东北信风带 ,自然和人为因素导致风沙化环境渐趋强烈 ,成为首都沙尘暴天气中就地起沙的源区之一。
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