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《Chinese Journal of Soil Science》 2008-02
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Water Measure Equilibrium in the Valley of Yangtse River and the Dry Degree of Forest

ZHANG Wei-dong,XIAO Ying,TAI Shan-shan,WANG Xue-feng(Biology Department of Liaoning Normal University,Dalian Liaoning 116029)  
Regarded river valley as unit,the water measure equilibrium of different level year was quantitatively analyzed in nine districts in the valley of Yangtse River with the modified model to test stand evapotranspiration which combined water measure equilibrium method and estimation method together.The results showed that the droughty degree in the valley of Yangtse River was serious,especially in water lacking year.The droughty disciplinarians and degree were different in different districts.In the valley of Yangtse River,water evapotranspiration was the mainly output form in the water equilibrium.Because the evapotranspiration ability was big,so the droughty degree of plant was big.When replantting the plant the water condition could be considered,and suitable species were chosen.
【CateGory Index】: S152.7
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