Fig. 2From: More opportunities more species: Pleistocene differentiation and northward expansion of an evergreen broad-leaved tree species Machilus thunbergii (Lauraceae) in Southeast ChinaPosterior probability distributions of (a) the migration rate (m) between two clusters (N and S) from both directions, (b) effective population size (θ) for each cluster (N, S and all populations), and (c) divergence time (t) between two clusters (N and S) estimated by IM modelBack to article page