浑善达克沙地防风固沙林及围栏封育效益分析--以正蓝旗项目区为例  

BENEFIT ANALYSIS ON SAND-BREAK FOREST AND ENCLOSURE AND CLOSED BREEDING IN OTINDAG SANDY LAND——Take Zhenglan Banner As Example

作　　者：史小栋[1] 尹嫚[2] 鲍文东[3] 米志英[4] 汪季[1] 

机构地区：[1]内蒙古农业大学生态环境学院,呼和浩特010019 [2]锡林郭勒盟水土保持工作站,锡林浩特026000 [3]锡林郭勒盟行政公署,锡林浩特026000 [4]内蒙古电子职业技术学院,呼和浩特010010

出　　处：《内蒙古农业大学学报（自然科学版）》2008年第2期68-72,共5页Journal of Inner Mongolia Agricultural University(Natural Science Edition)

基　　金：国家科技支撑计划基金(2006BAD03A0307);内蒙古农业大学博士科研启动基金

摘　　要：本文以浑善达克沙地的腹地--正蓝旗境内沙漠化研究为例,分析了防风固沙林带和围栏封育对风速、植被、土壤理化性质以及养分变化的影响。结果表明,浑善达克沙地防风固沙林体系建设已经形成,显示出应有的作用。封沙育草是促进天然植被恢复,提高沙地生产能力,加速沙区草地建设的有效途径之一。This text takes the desertification research of the churchyard in Zhenglan Banner as an example,which is the hinterland of Otindag sandy land.In this paper,the effects of Sand-break Forest and Enclosure on the wind speed,vegetation,the physical and chemical properties and nutrients of the soil are studied.The result shows that: the daily wind break and sand fixation forest system in Otindag sandy land have formed,and the effects are obvious.Protecting sand for grass propagation is one of the effective ways ...

关 键 词：浑善达克沙地 防风固沙林 围栏封育 效益分析 

分 类 号：S727.23[农业科学—林木遗传育种]