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International Journal of Biodiversity
Volume 2015 (2015), Article ID 128980, 9 pages
Research Article

Information Transfer between Generations Linked to Biodiversity in Rock-Paper-Scissors Games

Department of Electrical Engineering, IIT Delhi, Hauz Khas, New Delhi 110016, India

Received 4 February 2015; Accepted 19 May 2015

Academic Editor: François Guerold

Copyright © 2015 Ranjan Bose. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Ecological processes, such as reproduction, mobility, and interaction between species, play important roles in the maintenance of biodiversity. Classically, the cyclic dominance of species has been modelled using the nonhierarchical interactions among competing species, represented by the “Rock-Paper-Scissors” (RPS) game. Here we propose a cascaded channel model for analyzing the existence of biodiversity in the RPS game. The transition between successive generations is modelled as communication of information over a noisy communication channel. The rate of transfer of information over successive generations is studied using mutual information and it is found that “greedy” information transfer between successive generations may lead to conditions for extinction. This generalized framework can be used to study biodiversity in any number of interacting species, ecosystems with unequal rates for different species, and also competitive networks.