Among these four species, the dark respiration rate was lowest and the water use efficiency was highest for L. communis, and the selected absorptance of mineral nutrients was strong in C. praecox.

• 香叶树的暗呼吸强度最低而水分利用效率最高，腊梅则对土壤矿质营养的选择性主动吸收能力最强。