首页|Conversion of water consumption of a single tree and a forest stand of Populus euphratica

Conversion of water consumption of a single tree and a forest stand of Populus euphratica

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Our study dear with the determination of sapwood sap flow of a single Populus euphratica tree by heat pulse technique and the calculation of water consumption of an entire forest stand, given the correlation between sap flow and sapwood area of P. euphratica. The relation between diameter at breast height (DBH) and sapwood area constitutes a powerful model; these variables are highly correlated. By means of an analysis of DBH in the sample plot, the distribution of the sapwood area of the forest land was obtained and the water consumption of this P. euphratica forest, in the lower reaches of the Heihe River, calculated as 214.9 mm by standard specific conductivity of the sample tree.

Populus euphratica, sap flow, water consumption

ZHANG Xiao-you、MENG Tong-tong、KANG Er-si

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Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, P. R. China

Knowledge Innovation Engineering Project of the Chinese Academy of Sciences国家重点基础研究发展计划(973计划)

KZCX-10-032007BAD46B01

2008

森林生态系统(英文版)
北京林业大学

森林生态系统(英文版)

影响因子:0.09
ISSN:2095-6355
年,卷(期):2008.10(2)
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