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原文連結
論文資訊
- 類型：已發表論文
- 日期：2021-02-02
摘要
We propose a 隨機 model for interacting 物種 in a metacommunity in order to study the factors affecting the intensity of the competition/colonization trade-off as a coexistence mechanism in metacommunities. We particularly focus on the role of the number of local communities and the number of refuges for the inferior competitor. The 隨機 component is associated with the dispersal process and is represented by Poisson random measures. Thus, this 隨機 model includes two dynamic scales: a continuous one, which refers to the interactions among 物種, and a low frequency one, referring to dispersal following a Poisson scheme. We show the well-posedness of the model and that it is possible to study its long-term behavior using 李雅普諾夫 exponents; the extinction of a 物種 is associated with a negative slope in t
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