Ten-year variability and environmental controls of ecosystem water use efficiency in a rainfed maize cropland in Northeast China

• Published in: Field crops research Vol. 226; pp. 48 - 55
• Main Authors: Wang, Yu, Zhou, Li, Ping, Xiaoyan, Jia, Qingyu, Li, Rongping
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.09.2018
• Subjects: Drought effects; Eddy covariance; Indirect effect; Structural equation modeling; Eddy covariance; Structural equation modeling; Indirect effect; Drought effects

•Structural equation model was used for analyzing the environmental control of WUE.•Daily WUE was regulated by LAI, followed with Ta and VPD in maize cropland.•Distinct controlling mechanisms of daily WUE were detected for dry and wet years.•Precipitation frequency is a good predictor of annual WUE...