Fig. 3From: More opportunities more species: Pleistocene differentiation and northward expansion of an evergreen broad-leaved tree species Machilus thunbergii (Lauraceae) in Southeast ChinaEight assumed demographic scenarios tested for clusters N, S, and A in DIYABC. N1 and N2 represent current population sizes, and NA represents the ancestral population size. N1a, N1b, N1c, N2a, N2b and N2c represent population sizes between the ancestral population and the current population. t1, t2 and t3 represent times of population changesBack to article page