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一、陕北沙区滩地环境整治的概况 陕北沙区滩地区分布于鄂尔多斯高原毛乌素沙地的南缘,包括榆林、神木、府谷、横山、靖边、定边六个县。土地总面积33900平方公里,占榆林地区总面积的78.9％。本区南部为黄土丘陵,沟壑纵横。北部地面广泛覆沙,属沙漠化土地。本区范围内毛乌素沙地,东西长1300华里,南北宽24—252华里,总面积2862万亩,其中大片流沙为746万亩,沙盖黄土丘
I. Overview of Behavioral Improvement of Sandy Land in Shaanbei Sandy beaches of Shaanbei are distributed in the southern margin of Mu Us Desert in Ordos Plateau, including Yulin, Shenmu, Fugu, Hengshan, Jingbian and Dingbian. The total land area of 33,900 square kilometers, accounting for 78.9% of the total area of Yulin. The southern part of the loess hills, ravines aspect. The northern ground covers a wide range of sand, is desertified land. Within the area, the Mu Us Desert covers an area of 1,300 km long from east to west and 24-252 km south to north, with a total area of 28.62 million mu, of which 7.46 million mu is large-area quicksand,