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原文連結
論文資訊
- 類型：已發表論文
- 日期：2021-03-10
摘要
The 生物多樣性 and ecosystem functioning (BEF) relationship is expected to be scale-dependent. The autocorrelation of environmental heterogeneity is hypothesized to explain this scale dependence because it influences how quickly 生物多樣性 accumulates over space or time. However, this link has yet to be demonstrated in a formal model. Here, we use a Lotka-Volterra competition model to simulate community dynamics when environmental conditions vary across either space or time. 物種 differ in their optimal environmental conditions, which results in turnover in community composition. We vary 生物多樣性 by modelling communities with different sized regional 物種 pools and ask how the amount of biomass per unit area depends on the number of 物種 present, and the spatial or temporal scale at which it is measured. We
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