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(一)地处毛乌素沙漠南缘的榆林地区,长期以来,在严酷的自然条件下,坚持不懈地种树种草、治沙造林,现已收到了阻沙南移、生态环境改善的明显效果,从而呈现了沙退人进的可喜局面。在这场与大自然的斗争中,沙区的27个国营林场的作用是巨大的,应该给予正确、公允的评价。1.据榆林地区林业局的材料:到1985年,沙区累计造林保存面积为1053万亩,其
(I) Located in the Yulin area at the southern edge of the Muusin Desert, for a long time, under the harsh natural conditions, it has persistently planted trees and grass and controlled desertification and afforestation. Now it has received obvious effects of blocking the movement of sand and improving the ecological environment , Thus showing the gratifying situation of the retreat of people into the sand. In this battle with nature, the role of the 27 state-owned forest farms in the sand area is enormous and a correct and fair assessment should be given. 1. According to the materials of Yulin Forestry Bureau: By 1985, the total area of afforestation preserved in the sand area was 10.53 million mu