Transpiration of the tamarind artificial forest in the arid-hot valleys of Jinshajiang River,Yunnan |
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Authors: | Zhixian Pan Chengfei Liao Yucang Sha Yanxian Yang Haidong Fang Zhonghua Ji |
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Institution: | Institute of Tropical Eco-Agricultural Sciences, YunnanAcademy of Agricultural Sciences, Yuanmou 651300, Yunnan,China |
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Abstract: | The transpiration characteristics of the tamarind artificial forest in the arid-hot valleys of Jinshajiang River, Yunnan were
investigated through the measurement of the transpiration rate, stomatal conductance of tamarind leaf and the related environmental
factors. The results showed that the transpiration of the tamarind in the clear sky had the close positive correlations with
photosynthetically active radiation and air temperature and negative correlation with atmosphere moisture in the whole growth
period. The daily change tendency of the transpiration rate was the similar with stomatal conductance, and the transpiration
had the positive correlation with stomatal conductance. The transpiration rate of tamarind was highest in the rainy season
of June and July and was relatively low in the drought season of March and April. The transpiration water consumption in rainy
season of June and July was obviously higher than that in drought season of March and April. It fully suggested that the tamarind
showed very good drought resistance and adaptability to the arid-hot valleys of Yunnan. |
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Keywords: | tamarind transpiration rate stomatal conductance transpiration |
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