Fig. 1.

Comparison of MCMC sampled to simulated tree heights using the different structured coalescent approaches. Sampled tree heights in arbitrary units of time when the rates of migration are fast, that is, in the same order of magnitude as coalescence, when the rates of migration are medium, that is, one order of magnitude lower than coalescence and slow, that is, two orders of magnitude lower than coalescence. The trees were sampled using MCMC for one million iterations, storing every thousandth step, after a burn-in of 20%.