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P. D. Carey, DISPERSE: A Cellular Automaton for Predicting the Distribution of Species in a Changed Climate, Global Ecology and Biogeography Letters, Vol. 5, No. 4/5, Remote Sensing and GIS in the Service of Ecology and Biogeography: A Series of Case Studies (Jul. - Sep., 1996), pp. 217-226
Peter Carey (Mon,) studied this question.