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Devaurs Didier, Gras R.

Species Abundance Patterns in an Ecosystem Simulation Studied through Fisher's Logseries

Simulation Modelling Practice and Theory, Elsevier, 2010

We have developed an individual-based evolving predator–prey ecosystem simulation thatintegrates, for the first time, a complex individual behaviour model, an evolutionary mechanismand a speciation process, at an acceptable computational cost. In this article, we analysethe species abundance patterns observed in the communities generated by oursimulation, based on Fisher’s logseries. We propose a rigorous methodology for testingabundance data against the logseries. We show that our simulation produces coherentresults, in terms of relative species abundance, when compared to classical ecological patterns.Some preliminary results are also provided about how our simulation is supportingecological field results.
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