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Effects of behavioral adaptation on a predator-prey model

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The Volterra-Lotka predator-prey equations are modified so that the predator's ability to utilize the prey varies in proportion to the average number of encounters between the two species in the past. The behavior of this adaptive system is then described in terms of three parameters — the carrying capacity of the prey, the relative death rate of the predator, and the predator's memoryspan. The most stable situation is shown to occur when the carrying capacity of the prey is large, the predator's death rate is close to zero, and the predator is able to adapt quickly to changing levels of prey density.

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Noonburg, V.W. Effects of behavioral adaptation on a predator-prey model. J. Math. Biol. 15, 239–247 (1982).

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Key words

  • Predator-prey model
  • Behavioral adaptation
  • Stability