五分之三的土地这里已经被荒漠化自从20世纪70年代。
Three-fifths of the land here has been deforested since the 1970s.
沙金矿废弃矿区．由于森林植被被破坏，水土流失严重，形成矿区荒漠化。
The soil erosion in the alluvial gold deposit is serious because of the vegetation destroyed.
沙金矿废弃矿区．由于森林植被被破坏，水土流失严重，形成矿区荒漠化。
The soil erosion in the alluvial gold deposit is serious because of the vegetation destroyed.
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