山坡无法蓄水，也增加了长江的最高水位，侵蚀堤岸，易引发决堤。
The water that runs off the hillsides, meanwhile, also increases peak river flows, eroding the banks and raising the risk of landslides.
春季风大风多，降雨量少，气候侵蚀力高，地表植被覆盖率低，土壤表层由于冻融作用变的松散，是一年最易风蚀的季节。
The wind erosion hazard is often intensified by the poor vegetation cover and loosen surface soil due to the freezing and thawing over winter.
就整个世界而言，将10%的高度易侵蚀农田改种草或树似乎是一个合理的目标。
For the world as a whole, converting 10% of cropland that is highly erodible to grass or trees seems a reasonable goal.
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