[1]YU Feng,CHEN Lin,WANG Feng,et al.The Study on Sap Flow and Transpiration of Artificial Caragana korshinkⅡ in the Arid Area of Central Ningxia Hui Autonomous Region[J].Research of Soil and Water Conservation,2011,18(02):143-147.
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The Study on Sap Flow and Transpiration of Artificial Caragana korshinkⅡ in the Arid Area of Central Ningxia Hui Autonomous Region
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
18
Number of periods:
2011 02
Page number:
143-147
Column:
Public date:
2011-04-20
- Title:
- The Study on Sap Flow and Transpiration of Artificial Caragana korshinkⅡ in the Arid Area of Central Ningxia Hui Autonomous Region
- CLC:
- Q948.1;S793.3
- DOI:
- -
- Abstract:
- In July of 2010, daily sap flow of Caragana korshinskⅡ was measured by Dynagage Systems, and the microclimate was monitored by Vantage Pro 2 Station in the stand of Caragana korshinskⅡ plantation located in Yanchi County of Ningxia Hui Autonomous Region. The regressive models of transpiration estimated from sap flow were established based on the field observation data. The results showed that there was more sap flow flux founded in bigger diameter branch than that of in smaller one. The difference of sap flow flux between branches is much more significant in the daytime than that of in the night. It was found that there was a noon break phenomenon in the daily course of transpiration in the sunny day. Night-time sap flow and weak transpiration had been detected by Dynagage Systems. Transpiration of Caragana korshinskⅡ was well correlated with solar radiation, air temperature, vapor pressure deficit (VPD), relative humidity. The regressive equations between the transpiration and environmental factors were better fitted with observed data.
- References:
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