Nested structure acquired through simple evolutionary process

Details Nested structure acquired through simple evolutionary process Nested structure acquired through simple evolutionary process

2011-05-23

arxiv.org/abs/1105.4386v1

J. Theor. Biol. 264, 782 (2010)

Biology

Quantitative Biology

Populations and Evolution

12 pages, 4 figures

Scientific paper

10.1016/j.jtbi.2010.03.029

Nested structure, which is non-random, controls cooperation dynamics and biodiversity in plant-animal mutualistic networks. This structural pattern has been explained in a static (non-growth) network models. However, evolutionary processes might also influence the formation of such a structural pattern. We thereby propose an evolving network model for plant-animal interactions and show that non-random patterns such as nested structure and heterogeneous connectivity are both qualitatively and quantitatively predicted through simple evolutionary processes. This finding implies that network models can be simplified by considering evolutionary processes, and also that another explanation exists for the emergence of non-random patterns and might provide more comprehensible insights into the formation of plant-animal mutualistic networks from the evolutionary perspective.

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