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In Africa, Asia and Latin America, due to the loss of forest cover, land overdevelopment and over-grazing of grazingland, the situation of soil erosion is very serious. 在非洲、亞洲和拉丁美洲，由于森林植被的消失、耕地的過分開發(fā)和牧場的過度放牧，土壤剝蝕情況十分嚴重。