集群分布(contagious distribution), 又称为团状分布(clumped distribution)、 聚集分布 (aggregated distribution) 或超常态分布 (hyperdistribution overdispersion):与随机分布相比，林木有相对较高的超平均密度占据的范围。
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Live or dead bamboo trees or whole bamboo stand tend to aggregated distribution.
近自然毛竹林的活竹、死竹和整个林分均呈聚集分布特征。
参考来源 - 基于相邻网格调查的近自然毛竹林结构特征研究The dominant populations of Dipentodon sinicus communities showed aggregated distribution in various degrees. The floral geographic elements of Dipentodon sinicus communities in Yushe national forest park had the characteristics of transition from tropics and semi-tropics to temperate.
群落的外貌和季相变化受十齿花的影响较大,表现出较明显的季相变化;群落的优势种群在不同程度上表现为集群分布;玉舍国家级森林公园十齿花群落植物区系成分表现为较明显的热带、亚热带向温带过渡的性质。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
Indexes of aggregation indicate that the larvae fit aggregated distribution.
在聚集度指标的测定中，杨干象幼虫符合聚集分布。
The result showed that the distributed patterns of these spiders belong generally to aggregated distribution pattern.
综合各项结果，三种蜘蛛均属聚集分布，其聚集原因是环境条件所引起的。
The indices of aggregation indicate that the larvae and pupae of plutella xylostella present aggregated distribution in the field.
聚集度指标检验结果显示，幼虫、蛹在田间呈聚集分布。
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