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Responses of nighttime sap flow to atmospheric and soil dryness and its potential roles for shrubs on the Loess Plateau of China |
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| Authors: | Weiwei Fang Nan Lu Yu Zhang Lei Jiao and Bojie Fu |
| Institution: | 1. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of; Sciences, Beijing 100085, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China;4. College of Tourism and Environment, Shaanxi Normal University, Shaanxi 710119, China; |
| Abstract: | Aims Nocturnal sap flow (Enight) has been observed in a variety of plant species and environmental conditions. In water-limited environments,Enightis important in the regulation of plant water’s physiology. This study was designed to evaluate the way in whichEnight(defined as sap flow from 20:30 to 06:00) responded to changes in the atmospheric vapor pressure deficit (VPD) and the soil water content (SWC), and explored its potential physiological significance for different plant species in a semi-arid area. |
| Keywords: | nocturnal sap flow stem refilling stomatal conductance leaf water potential Loess Plateau |
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