摘要翻译:
经验观察表明,在纯林中,林木平均直径(D,胸径,地上1.3m)与林分高度(H,林分最大乔木的平均高度)除以林分密度(每公顷乔木数)的对数:D=β(H-1.3)/LN(N)的比例趋于恒定。稀疏引起坡度β相对较小和暂时的变化,其幅度和持续时间取决于稀疏的性质。在缺乏数据和资源而无法采用更复杂的建模方法的情况下,这种关系可以提供一个稳健的增长预测器。
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英文标题:
《Tree diameter, height and stocking in even-aged forests》
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作者:
Jerome K Vanclay
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最新提交年份:
2009
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分类信息:
一级分类:Quantitative Biology 数量生物学
二级分类:Quantitative Methods 定量方法
分类描述:All experimental, numerical, statistical and mathematical contributions of value to biology
对生物学价值的所有实验、数值、统计和数学贡献
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一级分类:Quantitative Biology 数量生物学
二级分类:Other Quantitative Biology 其他定量生物学
分类描述:Work in quantitative biology that does not fit into the other q-bio classifications
不适合其他q-bio分类的定量生物学工作
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英文摘要:
Empirical observations suggest that in pure even-aged forests, the mean diameter of forest trees (D, diameter at breast height, 1.3 m above ground) tends to remain a constant proportion of stand height (H, average height of the largest trees in a stand) divided by the logarithm of stand density (N, number of trees per hectare): D = beta (H-1.3)/Ln(N). Thinning causes a relatively small and temporary change in the slope beta, the magnitude and duration of which depends on the nature of the thinning. This relationship may provide a robust predictor of growth in situations where scarce data and resources preclude more sophisticated modelling approaches.
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PDF链接:
https://arxiv.org/pdf/0904.1215