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2. 华北地区阔叶林谱系结构与年平均气温的关系。NRI,净种间亲缘关系指数; NTI, 净最近种间亲缘关系指数。0值上的点状线为0预期的谱系结构。 |
Fig. 2. Pattern of the relationship between phylogenetic structure and mean annual temperature (MAT) of broad-leaved forests in North China. NRI, net relatedness index; NTI, nearest taxon index. The dotted line on 0 represented null expectation of phylogenetic structure. |
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