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The persistence of bipartite ecological communities with Lotka–Volterra dynamics

Lookup NU author(s): Matt Dopson, Dr Clive Emary

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© The Author(s) 2024.The assembly and persistence of ecological communities can be understood as the result of the interaction and migration of species. Here we study a single community subject to migration from a species pool in which inter-specific interactions are organised according to a bipartite network. Considering the dynamics of species abundances to be governed by generalised Lotka–Volterra equations, we extend work on unipartite networks to we derive exact results for the phase diagram of this model. Focusing on antagonistic interactions, we describe factors that influence the persistence of the two guilds, locate transitions to multiple-attractor and unbounded phases, as well as identifying a region of parameter space in which consumers are essentially absent in the local community.

Publication metadata

Author(s): Dopson M, Emary C

Publication type: Article

Publication status: Published

Journal: Journal of Mathematical Biology

Year: 2024

Volume: 89

Issue: 2

Online publication date: 02/07/2024

Acceptance date: 13/06/2024

Date deposited: 16/07/2024

ISSN (print): 0303-6812

ISSN (electronic): 1432-1416

Publisher: Springer Science and Business Media Deutschland GmbH

URL: https://doi.org/10.1007/s00285-024-02120-w

DOI: 10.1007/s00285-024-02120-w

PubMed id: 38955850

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