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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()

图2. 大兴安岭北部不同林龄白桦林土壤碳储量绝对值(平均值±标准偏差)(A)和相对值(B)。

Fig. 2. Absolute (mean ± SD)(A) and relative distribution (B) of soil carbon density by soil depth in the Betula platyphylla forests of different ages in the north section of the Da Hinggan Ling Mountains, NE China.