PT - JOURNAL ARTICLE AU - Robert J. H. Ross AU - C. A. Yates AU - R. E. Baker TI - Pattern formation and variable species densities are induced by domain growth AID - 10.1101/061341 DP - 2016 Jan 01 TA - bioRxiv PG - 061341 4099 - http://biorxiv.org/content/early/2016/06/29/061341.short 4100 - http://biorxiv.org/content/early/2016/06/29/061341.full AB - In this work we study the effect of domain growth on spatial correlations in agent populations containing multiple species. This is important as heterogenous cell populations are ubiquitous during the embryonic development of many species. We have previously shown that the long term behaviour of an agent population depends on the way in which domain growth is implemented. We extend this work to show that, depending on the way in which domain growth is implemented, different species dominate in multispecies simulations. Continuum approximations of the lattice-based model that ignore spatial correlations cannot capture this behaviour, while those that explicitly account for spatial correlations can. The results presented here show that the precise mechanism of domain growth can determine the long term behaviour of multispecies populations, and in certain circumstances, establish patterning.