高阶互动何时能产生稳定共存?

IF 7.6 1区 环境科学与生态学 Q1 ECOLOGY Ecology Letters Pub Date : 2024-06-14 DOI:10.1111/ele.14458
Theo L. Gibbs, Gabriel Gellner, Simon A. Levin, Kevin S. McCann, Alan Hastings, Jonathan M. Levine
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引用次数: 0

摘要

大多数生态模型都基于物种成对互动的假设。然而,多样性群落可能存在更高阶的相互作用,即两个或更多物种共同影响第三个物种的生长。常见的配对方法的一个缺陷是,它忽略了可能维持自然多样性的高阶相互作用。在这里,我们探讨了系统的稳定性,在这些系统中,高阶相互作用保证了指定的丰度集是动力学的可行平衡。即使这些导致平衡的高阶相互作用也不一定会产生稳定的共存。相反,当成对相互作用较弱或具有促进作用时,这些系统更有可能保持稳定。然而,成对相互作用和高阶相互作用之间的相关性,即使在多样化的系统中,也能实现稳健共存。我们的研究不仅揭示了通过高阶相互作用产生稳定共存所面临的挑战,而且还发现了能够实现多样性的相互作用模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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When can higher-order interactions produce stable coexistence?

Most ecological models are based on the assumption that species interact in pairs. Diverse communities, however, can have higher-order interactions, in which two or more species jointly impact the growth of a third species. A pitfall of the common pairwise approach is that it misses the higher-order interactions potentially responsible for maintaining natural diversity. Here, we explore the stability properties of systems where higher-order interactions guarantee that a specified set of abundances is a feasible equilibrium of the dynamics. Even these higher-order interactions which lead to equilibria do not necessarily produce stable coexistence. Instead, these systems are more likely to be stable when the pairwise interactions are weak or facilitative. Correlations between the pairwise and higher-order interactions, however, do permit robust coexistence even in diverse systems. Our work not only reveals the challenges in generating stable coexistence through higher-order interactions but also uncovers interaction patterns that can enable diversity.

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来源期刊
Ecology Letters
Ecology Letters 环境科学-生态学
CiteScore
17.60
自引率
3.40%
发文量
201
审稿时长
1.8 months
期刊介绍: Ecology Letters serves as a platform for the rapid publication of innovative research in ecology. It considers manuscripts across all taxa, biomes, and geographic regions, prioritizing papers that investigate clearly stated hypotheses. The journal publishes concise papers of high originality and general interest, contributing to new developments in ecology. Purely descriptive papers and those that only confirm or extend previous results are discouraged.
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