Table 1.

Sample size and geological information of each site in this study.

Species	Site	Code	Drainages	Location	Altitude(m asl)	N(m)	N(n)
SS	Tsachu Tsangpo1	TT1	Siling Co	32°03′N 89°08′E	4561	53	30
	Tsachu Tsangpo 2	TT2		32°24′N 90°44′E	4710	57	30
	Siling Co	SC		31°47′N 88°48′E	4540	38	37
	Bochu Tsangpo	BT		31°34′N 89°19′E	4608	57	55
	Nagtsang Co	NaC		31°36′N 88°41′E	4568	49	41
	Mokiu Co	MC		31°03′N 89°01′E	4680	34	34
	Kyaring Co	KC		31°16′N 88°06′E	4654	55	52
	Yueqia Co	YC		30°28′N 88°37′E	4810	41	41
	Pongok Co	PC	Pongok Co	31°41′N 89°36′E	4545	58	50
	Gomang Co	GC	Gomang Co	31°15′N 89°13′E	4636	26	26
	Bam Co	BC	Bam Co	31°22′N 90°33′E	4565	38	35
GN	Nam Co1	NC1	Nam Co	30°55′N 90°56′E	4729	23	23
	Nam Co2	NC2		30°55′N 90°56′E	4729	32	31
SY	Namulin	NL	Yarlung Tsangpo	29°41′N 89°05′E	4005	34	30
	Lhasa River	LR		31°11′N 91°20′E	4048	32	30
ST	Amdo Tsonak Co	ATC	Upper Salween	31°56′N 91°29′E	4599	89	30
	Yu Chu	YuC		31°12′N 91°48′E	4704	56	30
HM	Dri Chu	DC	Upper Yangzte	33°52′N 92°22′E	4569	31	31
	Tuotuo He	TH		34°13′N 92°26′E	4542	36	35

SS = S.Spp, GN = G. namensis, SY = S. younghusbandi, ST = S. thermalis, HM = H. microcephalus, N(m), number of specimens used for D-loop sequence analysis, N(n), number of specimens used for nuclear microsatellite analysis.