Table 1.

Horse MSY HT diversity across geographic regions based on stringently filtered SNPs (related to Fig. 2).

Regions	Samples	mjHGs	Unique HTs	Mean number of pairwise differences	Watterson’s θ
East Asia	20	13	20	187.13 (± 83.66)	8.42 × 10–5
East Asia wo* Pb_D	19	12	19	87.57 (± 39.42)	3.17 × 10–5
East Asia wo Pb_D/wo db	17	16	17	44.05 (± 20.11)	1.73 × 10–5
South and Southeast Asia	8	4	8	45.75 (± 22.25)	1.09 × 10–5
Russia	7	5	7	134.28 (± 65.84)	2.60 × 10–5
Russia wo db	5	4	5	34.20 (± 18.06)	7.58 × 10–6
Northern Europe	14	6	11	42.02 (± 19.42)	1.17 × 10–5
Southern Europe Mainland and Islands	6	4	6	34.46 (± 17.57)	6.92 × 10–6
North America	13	6	12	34.76 (± 16.21)	8.97 × 10–6
Central and Western Europe	66	5	55	17.06 (± 7.68)	8.30 × 10–6
Central and Western Asia Arabian Peninsula	14	2	14	17.15 (± 8.12)	5.15 × 10–6
Latin America	8	3	7	19.92 (± 9.88)	4.57 × 10–6
North Africa and Nigeria	9	3	9	23.44 (± 11.40)	6.47 × 10–6
Total	165	26	153

wo without.