吉林省长岭县的沙丘沙地,属于科尔沁沙地的一部分,面积约占全县总面积的百分之五十,分布在十个公社.从农业区划上看,这里属沙丘草原区,气候干旱,年平均降水量只有409毫米,比我县东部少100毫米,每年春风大,八级以上大风达十九次,沙丘沙地处于干旱状态.地貌特点是沙丘草原交错分布,土壤多为风沙土.大面积的沙丘沙地适合发展林业.多年来,我县无论国营或民 Sand dunes in Changling County, Jilin Province, are part of Horqin Sandy Land, accounting for about 50% of the total area of ​​the county and distributed in 10 communes. From the perspective of agricultural zoning, Drought, the average annual rainfall of only 409 mm, 100 mm less than the eastern part of the county, the spring breeze every year, gale winds up to nineteen times, the sand dune sand in arid state. The topography is characterized by dunes grassland staggered distribution of soil mostly sand Soil. Large area of ​​sand dune sand suitable for the development of forestry .For many years, my county regardless of the state or the people