Article ; Online: Heterogeneity in Behaviour and Movement can Influence the Stability of Predator-Prey Periodic Travelling Waves.
Bulletin of mathematical biology
2022 Volume 85, Issue 1, Page(s) 1
Abstract: Cyclic predator-prey systems are often observed in nature. In a spatial setting, these can manifest as periodic traveling waves (PTW). Environmental change and direct human activity are known to, among other effects, increase the heterogeneity of the ... ...
Abstract | Cyclic predator-prey systems are often observed in nature. In a spatial setting, these can manifest as periodic traveling waves (PTW). Environmental change and direct human activity are known to, among other effects, increase the heterogeneity of the physical environment, which prey and predator inhabit. Aiming to understand the effects of heterogeneity on predator-prey PTWs, we consider a one-dimensional infinite landscape Rosenzweig-MacArthur reaction-diffusion model, with alternating patch types, and study the PTWs in this system. Applying the method of homogenisation, we show how heterogeneity can affect the stability of PTW solutions. We illustrate how the effects of heterogeneity can be understood and interpreted using Turchin's concept of residence index (encapsuling diffusion rate and patch preference). In particular, our results show that prey heterogeneity acts to modulate the effects of predator heterogeneity, by this we mean that as prey increasingly spend more time in one patch type over another the stability of the PTWs becomes more sensitive to heterogeneity in predator movement and behaviour. |
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MeSH term(s) | Humans ; Mathematical Concepts ; Models, Biological ; Movement ; Travel ; Diffusion |
Language | English |
Publishing date | 2022-11-23 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 184905-0 |
ISSN | 1522-9602 ; 0007-4985 ; 0092-8240 |
ISSN (online) | 1522-9602 |
ISSN | 0007-4985 ; 0092-8240 |
DOI | 10.1007/s11538-022-01101-8 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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