PMID: 9654781Jul 9, 1998Paper

Emergence of collective strategies in a prey-predator game model

Artificial Life
S I Nishimura, T Ikegami

Abstract

The emergence of collective strategies in a prey-predator system is studied. We use the term "collective" in the sense of the collective motion of defense or attack often found in behaviors of animal groups. In our prey-predator system, both prey and predators move around on a two-dimensional plane, interacting by playing a game; predators can score by touching the backside of a prey. Thresholds are assumed for the scores of both prey and predators. The species with the higher scores can reproduce more, and that with the lower scores will be diminished. As a result, strategies as collective motions are observed; these consist of rotating cluster motions, line formations, disordered but one-way marching, and random swarming. In particular, the strategy of random swarming encourages symbiosis in the sense that it is associated with a low extinction probability for the whole system.

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Citations

Jan 12, 2011·Journal of Mathematical Biology·Bader Alshamary, Ovidiu Calin
Apr 7, 2004·Theoretical Population Biology·Christophe LettJean-Michel Gaillard
Aug 2, 2005·Artificial Life·Geoff Nitschke
Apr 16, 2014·Artificial Life·Jure Demšar, Iztok Lebar Bajec
Jan 15, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Vladimir Zhdankin, J C Sprott

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