北京林业大学学报2016，Vol.38Issue(12)：39-45,7.DOI:10.13332/j.1000-1522.20160192
毛乌素沙地典型沙生灌木对土壤蒸发的影响
Influence of typical sandy shrubs on soil evaporation in Mu Us Sandland, northwestern China
摘要
Abstract
In order to study the influence of sandy shrubs on soil evaporation in dry land after restored vegetation, the soil evaporation of three site types of the mobile dunes, Artemisia ordosica community and Salix psammophila community was measured in Yanchi, Ningxia of northwestern China using micro-lysimeter. And we analyzed the effects of precipitation, wind, solar radiation, relative humidity, air temperature and soil particle size on the soil evaporation. The results were as follows:1) soil evaporation of A. ordosica community and S. psammophila community was about 27. 91% and 40. 23% higher than the mobile dunes, respectively. 2 ) For the contents of clay particles, A. ordosica community and S. psammophila community were about 220. 59% and 173. 53% higher than the mobile dunes, respectively. The contents of clay and silt particles of A. ordosica community and S. psammophila community were about 63% and 98% higher than the mobile dunes, respectively. 3) The soil evaporation of A. ordosica community and S. psammophila community was not correlated with wind speed, solar radiation, air temperature, and the soil evaporation of the mobile dunes was significantly correlated with solar radiation. Therefore, soil evaporation in dry land area has increasing tendency after restored vegetation. This is probably related to the increase of clay and silt particle content after vegetation restoration.关键词
半干旱沙区/土壤蒸发/植被恢复/微型蒸渗仪Key words
semi-arid sandy land/soil evaporation/vegetation restoration/micro-lysimeter分类
农业科技引用本文复制引用
穆家伟,查天山,贾昕,郭晓楠,王子奇,杨强..毛乌素沙地典型沙生灌木对土壤蒸发的影响[J].北京林业大学学报,2016,38(12):39-45,7.基金项目
国家自然科学基金项目(31270755)。 （31270755）
