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Updated: Jul 8, 2025

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
Published on: February 3, 2023
Desynchrony induced by higher-order interactions in triplex metapopulations.
Palash Kumar Pal1, Md Sayeed Anwar1, Dibakar Ghosh1
1Physics and Applied Mathematics Unit, Indian Statistical Institute, 203 B.T. Road, Kolkata 700108, India.
Introducing group interactions in predator-prey metapopulations increases desynchrony, enhancing ecosystem persistence. This study explores how three-body interactions in multiplex networks promote ecological stability by reducing synchronization.
Area of Science:
- Ecology
- Mathematical Biology
- Network Science
Background:
- Predator-prey metapopulations exhibit an inverse relationship between synchronization and persistence.
- Understanding desynchrony is crucial for predicting metapopulation stability and resilience.
- Multiplex networks offer a framework to study complex ecological interactions.
Purpose of the Study:
- To investigate the effect of higher-order interactions on synchronization in a three-layer predator-prey multiplex network.
- To determine if introducing three-body interactions in the middle layer can promote desynchrony and enhance metapopulation persistence.
- To validate the findings analytically and across different ecological models and network structures.
Main Methods:
- Modeling predator-prey dynamics within a three-layer multiplex network structure.
- Introducing three-body interactions in the middle layer to influence synchronization between outer layers.
- Employing the master stability function approach for analytical validation of synchronous solutions.
- Testing the generalizability of results using distinct predator-prey models and dispersal topologies.
Main Results:
- The inclusion of three-body interactions in the middle layer significantly decreases synchronous behavior among outer layers.
- Increased strength and number of three-way interactions amplify the desynchrony effect.
- Analytical stability analysis confirms the promotion of desynchrony.
- Findings remain consistent across different ecological models and network configurations.
Conclusions:
- Higher-order interactions, specifically three-body interactions, can be a mechanism to induce desynchrony in predator-prey metapopulations.
- Promoting desynchrony through network structure can enhance metapopulation persistence and stability.
- The results highlight the importance of network topology and interaction complexity in ecological dynamics.
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