摘要
海晏县位于青海省东北部,沙漠化土地主要集中在青海湖东北岸的克土、斜麻、沙岛、甘子河等地区,共有沙漠化土地总面积为6.62×10~4hm^2,占全县总土地面积的14.7%。经过40多年的防沙治沙,取得了显著的成效,沙漠化土地面积从上世纪80年代初期的9.91×10~4hm^2,减少到目前的6.62×10~4hm^2,39年间年均减少840hm^2。初步遏制了青海湖北岸沙漠化发展的趋势。
Haiyan County is located in the northeast of Qinghai Province.The desertification land is mainly concentrated in the areas of Ketu,Xiema,Shadao,Ganzi River,etc.on the East and North Bank of Qinghai Lake.The total area of desertified land is 6.62×10~4hm^2,accounting for 14.7% of the total land area of the county.After more than 40 years of sand prevention and control,remarkable results have been achieved.The area of desertified land has increased from 9.91×10~4hm^2 in the early 1980 s.It has been reduced to the current 6.62×10~4hm^2,with an average annual decrease of 840 hm^2 in 39 years.The development trend of desertification on the North Bank of Qinghai Lake was initially curbed.
作者
马文虎
MA Wen-hu(Forestry Technology Promotion Center of Haiyan County,Qinghai Province,Haiyan Qinghai 812200,China)
出处
《青海农林科技》
2019年第4期66-68,共3页
Science and Technology of Qinghai Agriculture and Forestry
基金
中央财政林业科技推广示范项目(ZCT2017-013)资助
关键词
海晏高寒沙区
沙漠化防治
成效
Alpine sand area of Haiyan
Desertification control
Effect
