摘要 Theoretical studies of the stability of 食物網s have

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論文資訊

• 類型：已發表論文
• 日期：1997

摘要

Theoretical studies of the stability of 食物網s have generally not incorporated space as a contingency affecting coexistence of 物種. Here, I considered the importance of spatial heterogeneity on the stability of an individual-based 食物網 model. Individual 智能體s diffused on a lattice of cells and interacted according to a set of probabilistic interaction coefficients. Simulations were run on both uniform and non-uniform lattices. The model had two modes: 1. a mean-field mode with global interactions, and 2. a spatially localized mode in which 物種 interacted within local neighborhoods. Equilibrium number of 物種 were compared among different simulations varying web connectance, interaction strength, and lattice heterogeneity.. Local interactions resulted in more 物種 rich webs, indicating greater stabil

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