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
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Characteristics of soil carbon and nitrogen contents and enzyme activities in sub-alpine secondary forests with different successional stages in Western Sichuan, China
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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 |
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. |
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