Table 1. Sampling information and diversity indices for 21 populations of Cyclina sinensis.

Sampling site	Abbr.	COI					ITS-1
		NC	nC	hC	πC	kC	NI	nI	hI	πI	kI
East China Sea
1 Dandong	DD	14	7	0.758	0.0024	1.512
2 Lvshun	LS	18	4	0.634	0.0026	1.598
3 Panjin	PJ	12	2	0.167	0.0003	0.174
4 Qinhuangdao	QHD	20	5	0.716	0.0021	1.326
5 Tianjin	TJ	18	8	0.778	0.0023	1.411
6 Weifang	WF	19	6	0.743	0.0022	1.368
7 Haiyang	HY	14	7	0.824	0.0029	1.790
8 Jimo	JM	15	6	0.762	0.0023	1.411	8	8	1.000	0.0073	3.898
9 Lianyungang	LYG	15	8	0.838	0.0035	2.157	8	8	1.000	0.0058	3.078
10 Xiangshui	XS	11	6	0.855	0.0044	2.768
11 Qidong	QD	13	3	0.295	0.0014	0.875	10	10	1.000	0.0129	6.810
12 Shengsi	SS	5	4	0.900	0.0035	2.245
13 Zhoushan	ZS	10	4	0.778	0.0018	1.130	10	10	1.000	0.0121	6.391
14 Wenzhou	WZ	14	7	0.813	0.0027	1.706	7	6	0.952	0.0039	2.092
15 Xiapu	XP	23	7	0.783	0.0029	1.808	10	10	1.000	0.0087	4.617
16 Xiamen	XM	17	3	0.324	0.0007	0.431	9	7	0.944	0.0485	25.64
South China Sea
17 Maoming	MM	17	1	0.000	0.0000	0.000	10	10	1.000	0.0105	5.236
18 Beihai	BH	17	2	0.118	0.0002	0.129	9	8	0.972	0.0082	4.053
19 Dongxing	DX	19	5	0.591	0.0011	0.695	7	6	0.952	0.0112	5.617
20 Sanya	SY	21	2	0.095	0.0002	0.107	10	10	1.000	0.0087	4.344
Japan Sea
21 Fukuoka	FU	23	3	0.170	0.0030	0.174	12	10	0.970	0.0030	1.497

Number of individuals sampled per site (N), number of haplotype (n), haplotype diversity (h), nucleotide diversity (π), and mean number of pairwise differences (k) were shown for each population. Subscripts indicate variables for COI or ITS-1. Abbr, site abbreviation.