藏东南朗县砂生槐空间格局及其种内关联性

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本研究旨在分析不同冠幅级砂生槐空间分布格局及其种内关联性。选用点格局分析方法中的Ripley L函数,结果表明:(1)优势种砂生槐在0~25 m的空间尺度上表现为集群分布—随机分布—均匀分布。(2)砂生槐种群属于增长型,小灌木(C<1 ㎡)在0~19 m的空间尺度内表现为集群分布,在19~25 m的空间尺度上呈随机分布;中灌木(1 ㎡≤C<3 ㎡)随空间尺度的增大表现为随机分布—集群分布—随机分布—均匀分布—随机分布;大灌木(C≥3 ㎡)在整体尺度上都呈随机分布。(3)砂生槐的种内关联性以不相
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