The petridesert actually is the expression of soil erosion and ecology balance dislocation in karst area. The harmfulness is obvious.
石灰岩地区的石漠化实质上是石灰岩山地严重的水土流失和生态平衡失调的最终表现，具有很大的危害性。
The characteristic of soil erosion in the eastern part of Guizhou were expounded. The primary questions are the petridesert in karst area and the soil erosion in tung tree forest region.
阐述了黔东地区水土流失的特点，黔东地区水土流失主要是石灰岩地区的石漠化与油桐林下的水土流失问题。
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