Table 1. Fitting of observed and expected values of the DHS statistics for STR and SNP genetic systems under a stationary model.

		% Local contribution
Marker	Source pop	5	10	20	30	50	Obs DHS
Calabria
SNP	Tosks	0.0370	0.0809	0.1957	0.3054	0.4993	0.0234
		0.0090	0.0291	0.0828	0.1441	0.2527
	Ghegs	0.0370	0.0687	0.1459	0.2165	0.4209	0.0112
		0.0094	0.0255	0.0702	0.0626	0.1348
	Tosks–Greek	0.0492	0.1187	0.2441	0.3664	0.5592	0.0315
		0.0184	0.0524	0.1239	0.1988	0.3409
STR	Tosks	0.6751	0.7967	0.8915	0.9252	0.9594	0.8605
		0.5726	0.7483	0.8424	0.8796	0.9140
	Ghegs	0.6211	0.7448	0.8187	0.8979	0.9379	0.8310
		0.5468	0.6845	0.8093	0.8199	0.8629
	Tosks–Greek	0.8415	0.8973	0.9491	0.9659	0.9815	0.9034
		0.7988	0.8624	0.9183	0.9406	0.9619
Sicily
SNP	Tosks	0.0060	0.0236	0.0681	0.1079	0.2135	0.1865
		0.0000	0.0023	0.0188	0.0288	0.0903
	Ghegs	0.0105	0.0267	0.0652	0.0773	0.1841	0.2293
		0.0010	0.0055	0.0229	0.0313	0.0421
	Tosks–Greek	0.0140	0.0337	0.0845	0.1401	0.2653	0.1968
		0.0021	0.0116	0.0356	0.0564	0.1362
STR	Tosks	0.4861	0.6105	0.7649	0.8316	0.8987	0.9825
		0.3988	0.5591	0.7088	0.7833	0.8504
	Ghegs	0.4379	0.5810	0.7038	0.7760	0.8537	1.0000
		0.3128	0.5319	0.6475	0.7123	0.7831
	Tosks–Greek	0.6732	0.7805	0.8810	0.9188	0.9490	0.9770
		0.5562	0.7428	0.8472	0.8889	0.9224

A percent contribution of local versus putative source population was accepted as the most likely model when the observed value fell within a two SD interval (in bold) of the simulated distribution at time t=20 generations.