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中亚热带3种典型森林土壤碳氮含量和酶活性的关系
鲍勇,高颖,曾晓敏,袁萍,司友涛*(),陈岳民,陈滢伊
Relationships between carbon and nitrogen contents and enzyme activities in soil of three typical subtropical forests in China
Yong BAO,Ying GAO,Xiao-Min ZENG,Ping YUAN,You-Tao SI*(),Yue-Min CHEN,Ying-Yi CHEN

图1. 不同林分土壤的芳香化指数(AI)和荧光发射光谱腐殖化指数(HIXem)(平均值±标准偏差, n = 3)。SF, 米槠天然次生林; AR, 米槠人工促进天然更新林; PM, 马尾松人工林。不同小写字母表示不同林分间差异显著(p < 0.05)。

Fig. 1. Aromatic index (AI) and humification index emission mode (HIXem) in different forests (mean ± SD, n = 3). SF, natural secondary forest of Castanopsis carlesii; AR, artificial-assisted natural regeneration forest of Castanopsis carlesii; PM, plantation of Pinus massoniana. Different lowercase letters indicate significant difference among different stands (p < 0.05).