Table 3. Summary statistics of genomic islands and genomic valleys identified for each population comparison.

Divergence timeframe	Mode of divergence	Comparison	No. identified	Mean size (kb)	Max size (kb)	Mean FST	Mean dxy
Genomic islands
Early stage	Gene flow	SI vs. CI	2	575	1,100	0.031	0.003
Early stage	No-gene flow	SI vs. FP	4	350	550	0.038	0.005
Mid stage	Gene flow	ML vs. HI	5	440	750	0.147	0.005
Late stage	Gene flow	GT vs. LF	5	390	900	0.233	0.002
Late stage	No-gene flow	ML vs. LH	5	400	700	0.153	0.006
Genomic valleys
Early stage	Gene flow	SI vs. CI	4	350	1,000	0.001	0.005
Early stage	No-gene flow	SI vs. FP	6	367	600	0.005	0.003
Mid stage	Gene flow	ML vs. HI	5	250	500	0.040	0.004
Late stage	Gene flow	GT vs. LF	7	536	1,650	0.019	0.002
Late stage	No-gene flow	ML vs. LH	6	1,142	3,900	0.059	0.003