Table 1. Summary statistics characterizing divergent regions of exceptional differentiation across five lake-river comparisons.

population pair	Us	G2	No	G1	Ca
mean FST genome-wide *	0.09	0.11	0.22	0.22	0.28
# divergent regions	152	149	173	192	128
mean FST*	0.48	0.46	0.59	0.59	0.73
max size [kb]	323	459	448	253	425
mean size [kb]	60 (+/- 48)	46 (+/- 50)	46 (+/- 50)	47 (+/- 37)	69 (+/- 64)
sum length [kb]	9164	6840	7995	8982	8790
# genes	510	430	391	488	479
# background selection	18	21	24	21	10
# adaptation river	20	51	69	51	23
# adaptation lake	43	24	35	43	20
# reduced gene flow	52	45	43	64	70

* SNPs were filtered for minor allele frequency > 0.25