Spontaneous emergence of spatial patterns ina a predator-prey model

Details Spontaneous emergence of spatial patterns ina a predator-prey model Spontaneous emergence of spatial patterns ina a predator-prey model

2006-11-07

arxiv.org/abs/q-bio/0611024v1

PRE v.76. e061902, 2007

Biology

Quantitative Biology

Populations and Evolution

17 pages and 15 figures

Scientific paper

10.1103/PhysRevE.76.061902

We present studies for an individual based model of three interacting populations whose individuals are mobile in a 2D-lattice. We focus on the pattern formation in the spatial distributions of the populations. Also relevant is the relationship between pattern formation and features of the populations' time series. Our model displays travelling waves solutions, clustering and uniform distributions, all related to the parameters values. We also observed that the regeneration rate, the parameter associated to the primary level of trophic chain, the plants, regulated the presence of predators, as well as the type of spatial configuration.

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