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原文連結
論文資訊
- 類型：已發表論文
- 日期：2008
摘要
The extent to which competition affects the distributions of 物種 at large spatial scales is unclear. To evaluate this question, hypothesis tests that do not depend on parametric assumptions are needed. Here, we develop a broadly applicable test that requires only one parametric assumption. Letting i and j denote the ith and j th colonists to arrive at a site, respectively, and < i j > the event that i and j belong to the same "unit" (e.g., functional group, genus), we show how colonists will be partitioned into units if for all i and j, < i j > is independent of whether i and j share unit membership with the other colonists, conditional on other 資訊 about shared units. Our distribution of partitions is useful for inferring competitive effects, because these effects predict that for at least
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