ⅰ. Original earths surface along the road was destroyed by digging and filling in road construction. The destruction of the vegetation has not been restored yet, at the same time, abominable weather accelerates the weathering of bare slope according to a part of road investigation. ⅱ. According to a survey of the DongLing Mountain and the Baihua Mountain, the traffic noise does harm to the wild animal dwelling around the road, what is more, the animal will keep away from the road or migrate because most of the animal adapting to dark usually find food at night and rest at daytime, the glare of the automobile affect their sight, especially the insects guided by moonlight.
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