摘要
对风水复合侵蚀区两种常见植物的四年生同龄沙棘和柠条植株采用人工移植的方法,利用HTSW-18多通道风向风速监测仪观测林带在不同株距和行距配置方式下的防风作用。结果表明,两种植物林带均能有效降低风速。在相同的株距和行距的情况下,柠条林带防风效果明显优于沙棘林带。两种植物林带均是随着株距的减小,林带的防风效果逐渐增大。随着行距的增大,植物林带的防风效果逐渐减小。两种植物均增大地表粗糙度,柠条林带对粗糙度的影响是对照点的25倍,沙棘是对照的17倍。
In the area of complex erosion by wind and water,Hippophae rhamnoides Linn. and Caragana microphylla Lam. are common plant species in revegetation,the wind speed by HTSW-18 wind speed monitor was observed,and the resistance to wind erosion of varied planting and row spaces about these two plants were compared. The results showed that： The ration of reducing wind velocity and surface roughness decrease with the increase of planting and row space. Under the same planting space, the ration of reducing wind velocity and surface roughness of Caragana microphylla Lam. of plants shelter belt are higher.
出处
《安徽农业科学》
CAS
2015年第11期235-237,共3页
Journal of Anhui Agricultural Sciences
基金
内蒙古自治区自然科学基金项目(2014MS0370)
关键词
风水复合侵蚀区
株距
行距
防风效果
地表粗糙度
Area of complex erosion by wind and water
Row spacing
Array pitch
The ration of reducing wind velocity
Surface roughness
