中国寒温带不同林龄白桦林碳储量及分配特征
魏红,满秀玲

Carbon storage and its allocation in Betula platyphylla forests of different ages in cold temperate zone of China
WEI Hong,MAN Xiu-Ling
表2 白桦生物量方程
Table 2 General regression models used to estimate biomass of different organs of the Betula platyphylla forests
器官 Organ 回归方程 Regression equation R2
树干 Stem W = 0.046D1.55H1.163 0.969
树枝 Branch W = 5.921D1.925H-1.54 0.793
树叶 Leaf W = 0.012D1.662H0.49 0.711
树根 Root W = 0.016D2.171H0.281 0.933