Publikation:

Evolution as a result of resource flow in ecosystems : Ecological dynamics can drive evolution

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2023

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Deutsche Forschungsgemeinschaft (DFG): 422037984
Deutsche Forschungsgemeinschaft (DFG): Excellence Strategy-EXC 2117-422037984

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PLoS ONE. Public Library of Science (PLoS). 2023, 18(10), e0286922. eISSN 1932-6203. Available under: doi: 10.1371/journal.pone.0286922

Zusammenfassung

To see how the flow of energy across ecosystems can derive evolution, I introduce a framework in which individuals interact with their peers and environment to accumulate resources, and use the resources to pay for their metabolic costs, grow and reproduce. I show that two conservation principles determine the system’s equilibrium state: conservation of resources- a physical principle stating that in the equilibrium, resource production and consumption should balance, and payoff equality- an economic principle, stating that the payoffs of different types in equilibrium should equal. Besides the equilibrium state, the system shows non-equilibrium fluctuations derived by the exponential growth of the individuals in which the payoff equality principle does not hold. A simple gradient-ascend dynamical mean-field equation predicts the onset of non-equilibrium fluctuations. As an example, I study the evolution of cooperation in public goods games. In both mixed and structured populations, cooperation evolves naturally in resource-poor environments but not in resource-rich environments. Population viscosity facilitates cooperation in poor environments but can be detrimental to cooperation in rich environments. In addition, cooperators and defectors show different life-history strategies: Cooperators live shorter lives and reproduce more than defectors. Both population structure and, more significantly, population viscosity reduce lifespan and life history differences between cooperators and defectors.

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570 Biowissenschaften, Biologie

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ISO 690SALAHSHOUR, Mohammad, 2023. Evolution as a result of resource flow in ecosystems : Ecological dynamics can drive evolution. In: PLoS ONE. Public Library of Science (PLoS). 2023, 18(10), e0286922. eISSN 1932-6203. Available under: doi: 10.1371/journal.pone.0286922
BibTex
@article{Salahshour2023Evolu-69184,
  year={2023},
  doi={10.1371/journal.pone.0286922},
  title={Evolution as a result of resource flow in ecosystems : Ecological dynamics can drive evolution},
  number={10},
  volume={18},
  journal={PLoS ONE},
  author={Salahshour, Mohammad},
  note={Article Number: e0286922}
}
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