Description
The Lotka-Volterra model tells us that the prey and predator exhibit a shifted cyclic behavior over time.
In this module, we look at modifying this prey-predator model to consider the case when there is cannibalism in the predator species. Cannibalism has been observed when the resource pool becomes limited. This complicated interaction between the cannibalistic predator and the prey can be analyzed using mathematical modeling via Ordinary Differential Equations (ODEs).
This investigation includes performing equilibrium, stability, and nullcline analyses, and a careful plotting of the phase plane. Fortunately, there is a free software, PPlane, that helps in producing phase planes to analyze the dynamics between the predator and the prey when the cannibalism rate of the predator increases and the growth rate of the prey decreases and hence cannibalism increases.
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