The morphological features of tree significantiy affected sap flow.Taller trees with larger sapwood area and canopy size that were load with more radiation demonsrated higher whole-tree transpiration.

• 形态特征明显影响树木的液流,高大树木由于边材较厚、树干粗壮和冠幅较宽而承载较多的辐射能量,因而水分蒸腾较高。