Table 3. Parameters and results of the M-ratio analyses used to detect significant reductions in the effective population sizes of the inferred clusters.

	M-ratio
Inferred genetic group	Ne	θ	M	Mc
South-eastern Spain (n = 52; Alicante)	5	0.01	0.84	0.77
	500	1	0.84	0.7
	1000	2	0.84	0.68
	3000	6	0.84	0.67
	6000	12	0.84	0.67
	25000	50	0.84	0.63
South-western Spain (n = 96; Cádiz, Doñana, Sierra Norte, Sierra de Huelva)	5	0.01	0.84	0.76
	500	1	0.84	0.7
	1000	2	0.84	0.7
	3000	6	0.84	0.7
	6000	12	0.84	0.7
	25000	50	0.84	0.69
Central Spain (n = 78; Segovia, Toledo, Madrid SE)	5	0.01	0.9	0.77
	500	1	0.9	0.7
	1000	2	0.9	0.69
	3000	6	0.9	0.69
	6000	12	0.9	0.69
	25000	50	0.9	0.67