Table 2.

Analysis of molecular variance (AMOVA) for Trichiurus nanhaiensis populations based on three molecular markers.

Scheme	Category description	mtDNA			nuDNA			microsatellite
		Variance components	Percentage variation	P	Variance components	Percentage variation	P	Variance components	Percentage variation	P
1. One group
	Among populations	0.0588	2.21	0.0000	0.0097	1.58	0.0000	0.0088	0.20	0.0000
	Within populations within groups	2.5985	97.79	0.0000	0.6056	98.42	0.0000	0.5889	13.38	1.0000
	Within individuals							3.8047	86.42	0.0000
2. Two groups (TD) (ST, SZ, YJ, ZJ, BH, SY) [divided by the Taiwan Strait]
	Among groups	0.1153	4.19	0.0000	0.0074	1.20	0.0000	0.0323	0.73	0.1320
	Among populations within groups	0.0367	1.33	0.0000	0.0083	1.34	0.0020	0.0026	0.06	0.3011
	Among individuals within populations	2.5985	94.47	0.0039	0.6056	97.46	0.1388	0.5889	13.30	0.0000
	Within individuals							3.8047	85.92	0.0000
3. Two groups (SY) (ST, SZ, YJ, ZJ, BH, TD) [divided by the Qiongzhou Strait]
	Among groups	− 0.0492	− 1.87	0.0000	− 0.0031	− 0.50	0.0000	0.0027	0.06	0.4282
	Among populations within groups Groups 13.37 86.39	0.0753	2.87	0.0000	0.0108	1.76	0.0000	0.0079	0.18	0.1202
	Among individuals within populations	2.5985	99.00	0.9609	0.6056	98.74	0.6305	0.5889	13.37	0.0000
	Within individuals							3.8047	86.39	0.0000
4. Three groups: (mainland) (Taiwan) (Hainan)
	Among groups	0.0260	0.97	0.0000	0.0011	0.18	0.0000	0.0163	0.37	0.0000
	Among populations within groups	0.0461	1.73	0.0010	0.0092	1.49	0.0010	0.0008	0.02	0.0000
	Within populations	2.5985	97.30	0.1926	0.6056	98.32	0.3891	0.5889	13.35	0.4233
	Within individuals							3.8047	86.26	0.1320

Significant scores (P < 0.05) are shown in bold face.