毛乌素沙地东北部典型林场新疆杨( Populus alba var. pyramidalis )液流特征
马启民, 罗旭冉, 赵人瑰, 王增艳, 余文莉, 贾晓鹏

Characteristics of the sap flow of Populus alba var. pyramidalis in typical forests in the northeastern part of the Mu Us Desert
Qimin Ma, Xuran Luo, Rengui Zhao, Zengyan Wang, Wenli Yu, Xiaopeng Jia
表1 新疆杨液流速率与环境因子的相关性系数
Table 1 Correlation coefficients between sap flow rates of Populus alba var. pyramidalis and environmental factors
指标液流 速率气温太阳 辐射相对 湿度饱和水 汽压差土壤 热通量土壤 湿度土壤 温度风速降雨净辐射
液流速率1
气温0.634**1
太阳辐射0.625**0.602**1
相对湿度-0.233**-0.263**-0.650**1
饱和水汽压差0.641**0.996**0.642**-0.306**1
土壤热通量0.605**0.708**0.843**-0.573**0.734**1
土壤湿度-0.340**-0.554**-0.221**0.007-0.559**-0.243**1
土壤温度0.467**0.765**0.262**0.1300.747**0.270**-0.726**1
风速-0.0120.0800.061-0.1290.0710.1050.146-0.0791
降雨-0.178*0.143-0.318**0.324**0.122-0.155*-0.230**0.275**0.0681
净辐射0.656**0.658**0.891**-0.440**0.685**0.772**-0.321**0.424**0.058-0.174*1