Transpiration of Pinus sylvestris var. mongolica and its response to urban environmental factors in semi-arid area Sap Flow Dynamics of Dominant Trees of Quercus liaotungensis Forest in the Semiarid Loess Plateau Region Nocturnal sap flow of four urban greening tree species in Dalian, Liaoning Province, China Applying the Heat Dissipation Technique to Study the Sap Flow of Pinus elliottii in the Red Earth Area of Subtropical China Dynamics of Sap Flow of Pinus elliottii and Its Relevant Factors in Rapid Growth Season at Qianyanzhou Experimental Station of Jiangxi Province Sap Flow Dynamics in the Leaf Flushing Period of a Robinia pseudoacacia Plantation in Semi Arid Region of Loess Plateau The sapflow dynamics of Platycladus orientali in the semi\|arid Loess Plateau region