摘要 Human activities put ecosystems under increasing

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論文資訊

• 類型：已發表論文
• 日期：2022-04-13

摘要

Human activities put ecosystems under increasing pressure, often resulting in local extinctions. However, it is unclear how local extinctions affect regional processes, such as the distribution of 多樣性 in space, especially if extinctions show spatial patterns, such as being clustered. Therefore, it is crucial to investigate extinctions and their consequences in a spatially explicit framework. Using highly controlled microcosm experiments and theoretical models, we ask here how the number and spatial autocorrelation of extinctions interactively affect metacommunity dynamics. We found that local patch extinctions increased local 多樣性 (α-多樣性) and inter-patch 多樣性 (β-多樣性) by delaying the exclusion of inferior competitors. Importantly, recolonization dynamics depended more strongly on the spatial

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