Quasicycles in a spatial predator-prey model.

@article{Lugo2008QuasicyclesIA,
  title={Quasicycles in a spatial predator-prey model.},
  author={Carlos A Lugo and Alan J. McKane},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2008},
  volume={78 5 Pt 1},
  pages={051911}
}
We use spatial models of simple predator-prey interactions to predict that predator and prey numbers oscillate in time and space. These oscillations are not seen in the deterministic versions of the models, but are due to stochastic fluctuations about the time-independent solutions of the deterministic equations which are amplified due to the existence of a resonance. We calculate the power spectra of the fluctuations analytically and show that they agree well with results obtained from… CONTINUE READING

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