火后恢复时间影响大兴安岭寒温带森林内部与边缘鸟类多样性
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How forest fires affect bird diversity over time in boreal forest interiors and edges in the Greater Khingan Mountains
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图3. 基于鸟类多度的样本覆盖度与物种丰富度估计。a: 基于鸟类多度对样本覆盖度的估计; b: 以图a估计的样本覆盖度为基础, 对物种丰富度进一步估计。 |
Fig. 3. Estimation of sample coverage and species richness based on bird abundance. a, Estimation of sample coverage based on bird abundance; b, Further estimation of species richness based on the sample coverage estimated in figure a. |
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