新疆农业科学2012，Vol.49Issue(11)：2035-2041,7.DOI:10.6048/j.issn.1001-4330.2012.11.012
新疆乌拉泊库区3种灌木树干液流对比研究
Sap Flow Dynamics of the Three Shrubs Species in Wulabo Reservoir, Xinjiang
摘要
Abstract
This study selected Amorpha fruticosa, Prunus triloba and Rose laxa of the same age (4 a) and seedling origin under the same site conditions in water resources protection forest in Wulabo, Xinjiang, and simultaneously measured the sap flow velocity and related environmental factors using thermal dissipation method and automatic measuring system of weather station. The results showed that; (1) the sap flow velocity of other tree shrubs species exhibited wide mono - peak diurnal patters. The highest average slap flow velocity in May was Prunus triloba (0.027 cm/s), the middle was Rose laxa (0.024 cm/s), the lowest was Amorpha fruticosa (0.018 cm/s) , the highest slap flow velocity in August was Amorpha fruticosa Prunus triloba (0.013 cm/s) , the middle was Rose laxa (0.008 cm/s) , and the lowest was Prunus triloba (0.007 cm/s). (2) The sap flow velocities of the three shrubs were positively correlated with air temperature and solar radiation, and were negatively correlated with relative humidity. With the exception of Rose laxa whose sap flow velocity was positively correlated with wind speed, the sap flow velocities of other two shrubs were not correlated with wind speed. (3) The highest of diurnal water consumption in May was Prunus triloba (3. 87 L/d) , the followings were Amorpha fruticosa and Rose laxa, which were 2.94 and 2.92 L/d, respectively. The highest of diurnal water consumptions in August was Amorpha fruticosa (2. 12 L/d) , the followings were Prunus triloba and Rose laxa, which were 1. 00 and 0. 97 L/d. Similar to the sap flow velocity, the diumal water consumption of Amorpha fruticosa, Prunus triloba and Rose laxa in May also were higher than those in August.关键词
树干液流/日耗水量/气象因子/水源涵养林Key words
sap flow/ diurnal water consumption/ meteorologic factors/ water resources protection forest分类
农业科技引用本文复制引用
王文栋,张毓涛,芦建江,李翔..新疆乌拉泊库区3种灌木树干液流对比研究[J].新疆农业科学,2012,49(11):2035-2041,7.基金项目
国家"十一五"科技支撑计划(2006BAD03A1804,2006BAD03A0702/wb08) （2006BAD03A1804,2006BAD03A0702/wb08）
新疆林业科技专项资金项目"天山北坡经济带山地森林生态系统服务功能及其价值研究" （）
国家林业公益性行业科研专项(200804022) （200804022）
