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川西亚高山不同演替阶段天然次生林土壤碳氮含量及酶活性特征
胡宗达1,*(), 刘世荣3, 罗明霞1, 胡璟4, 刘兴良2, 李亚非1, 余昊1, 欧定华1
Characteristics of soil carbon and nitrogen contents and enzyme activities in sub-alpine secondary forests with different successional stages in Western Sichuan, China
HU Zong-Da1,*(), LIU Shi-Rong3, LUO Ming-Xia1, HU Jing4, LIU Xing-Liang2, LI Ya-Fei1, YU Hao1, OU Ding-Hua1

图3. 米亚罗林区不同更新演替阶段植被类型多样性指数 (平均值±标准偏差, n = 3)。80-NSF, 70-NSF和60-NSF分别代表20世纪80、70和60年代砍伐迹地的天然次生林, CK为岷江冷杉原始林。

Fig. 3. Diversity index (mean ± SD) of the secondary forests with different successional stages in Miyaluo forest area. 80-NSF, 70-NSF and 60-NSF indicate the natural secondary forest regenerated after logging of the primary forest in 1980s, 1970s and 1960s, respectively. CK indicates the Abies faxoniana primary forest.