| Issue |
EPL
Volume 126, Number 6, June 2019
|
|
|---|---|---|
| Article Number | 68002 | |
| Number of page(s) | 7 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/126/68002 | |
| Published online | 22 July 2019 | |
Death by starvation in May-Leonard models
1 Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto, CAUP - Rua das Estrelas, PT4150-762 Porto, Portugal
2 Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto Rua do Campo Alegre 687, PT4169-007 Porto, Portugal
3 Departamento de Física, Universidade Estadual de Maringá - Av. Colombo 5790, 87020-900 Maringá, PR, Brazil
Received: 8 May 2019
Accepted: 24 June 2019
We consider the dynamics of spatial stochastic May-Leonard models with mutual predation interactions of equal strength between any two individuals of different species. Using two-dimensional simulations, with two and three species, we investigate the dynamical impact of the death of individuals after a given threshold number of successive unsuccessful predation attempts. We find that the death of these individuals can have a strong impact on the dynamics of population networks and provide a crucial contribution to the preservation of coexistence.
PACS: 87.23.Cc – Population dynamics and ecological pattern formation / 87.23.Kg – Dynamics of evolution / 87.23.-n – Ecology and evolution
© EPLA, 2019
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