Table 3.

Maximum likelihood parameter estimates of the Isolation with Migration model, for each population pair analysed

Population 1	Population 2	S	nu1	nu2	T	m12	m21
West	Central	0.95	0.6769	1.811	0.0652	0.9915	7.4456
West	East	0.9959	0.215	0.919	0.0235	0.0687	15.116
Central	East	0.988	2.49	0.55	0.069	1.133	9.9

S population size of first population after split (population 2 has size 1-s), nu1 current size of population 1, nu2 current size of population 2, T time of population split, m12 migration from population 2 to population 1, m21 migration from population 1 to population 2