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Adaptive movement strategy may promote biodiversity in the rock-paper-scissors model

J. MenezesM. TenorioE. Rangel
摘要
We study the role of the adaptive movement strategy in promoting biodiversityin cyclic models described by the rock-paper-scissors game rules. We assumethat individuals of one out of the species may adjust their movement to escapehostile regions and stay longer in their comfort zones. Running a series ofstochastic simulations, we calculate the alterations in the spatial patternsand population densities in scenarios where not all organisms are physically orcognitively conditioned to perform the behavioural strategy. Although theadaptive movement strategy is not profitable in terms of territorial dominancefor the species, it may promote biodiversity. Our findings show that if allindividuals are apt to move adaptively, coexistence probability increases forintermediary mobility. The outcomes also show that even if not all individualscan react to the signals received from the neighbourhood, biodiversity is stillbenefited, but for a shorter mobility range. We find that the improvement inthe coexistence conditions is more accentuated if organisms adjust theirmovement intensely and can receive sensory information from longer distances.We also discover that biodiversity is slightly promoted for high mobility ifthe proportion of individuals participating in the strategy is low. Our resultsmay be helpful for biologists and data scientists to understand adaptiveprocess learning in system biology.
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