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1975年至2020年黄河“几字弯”沙漠化时空变化空间格局上,1975至2000年表现为局部逆转,整体恶化;2000至2020年则为整体逆转,局部恶化,恶化区域主要在毛乌素沙地鄂托克旗中部。气候变化和 ...
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