华北区域环境梯度上阔叶林构建模式及分布成因
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Community assembly, diversity patterns and distributions of broad-leaved forests in North China
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图1. 华北地区阔叶林样方物种组成变化的典范对应分析(CCA)结果。 |
Fig. 1. Result of canonical correspondence analysis (CCA) of species composition among plots of broad-leaved forests in North China. |
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