Journal
SCIPOST PHYSICS
Volume 12, Issue 1, Pages -Publisher
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.12.1.013
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Funding
- Simons Foundation Grant on Cracking the Glass Problem [454935]
- L'Oreal UNESCO Young Talents France Fellowship
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We analyze the role of the Allee effect in ecological communities formed by a large number of species using the generalized Lotka-Volterra model. Our findings highlight the significant role played by the functional response in determining aggregate behaviors of large ecosystems.
We analyze the role of the Allee effect - a positive correlation between population density and mean individual fitness - for ecological communities formed by a large number of species. Our study is performed using the generalized Lotka-Volterra model with random interactions between species. We obtain the phase diagram and analyze the nature of the multiple equilibria phase. Remarkable differences emerge with respect to the logistic growth case, thus revealing the major role played by the functional response in determining aggregate behaviors of large ecosystems.
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