Table 1. Populations Sampled and Distribution of Cys/Ser Alleles and Genotypes.
SITE | N | C1 | C2 | C3 | C4 | C (tot) | Freq.Cys. | S | Freq Ser. | CC | CS | SS | Hobs | Hexp | (Hexp Hobs)/Hexp | 1Depar HWE? |
1.Chezzetcook, NS | 26 | 21 | 0 | 0 | 3 | 24 | 0.46 | 28 | 0.54 | 1 | 22 | 3 | 0.85 | 0.50 | −0.70 | p<0.005 |
2. Peggy's Cove, NS | 9 | 2 | 0 | 0 | 0 | 2 | 0.11 | 16 | 0.89 | 1 | 0 | 8 | 0.00 | 0.20 | 1.00 | p<0.005 |
3. Mahone Bay, NS | 19 | 37 | 0 | 0 | 1 | 38 | 1.00 | 0 | 0.00 | 19 | 0 | 0 | 0.00 | 0.00 | n/a | |
4. Crescent Beach, NS | 16 | 17 | 0 | 0 | 1 | 18 | 0.56 | 14 | 0.44 | 2 | 14 | 0 | 0.88 | 0.49 | −0.78 | p<0.005 |
5. Noel, NS | 10 | 18 | 0 | 0 | 0 | 18 | 0.90 | 2 | 0.10 | 9 | 0 | 1 | 0.00 | 0.18 | 1.00 | p<0.005 |
6. Kingsport, NS | 35 | 55 | 14 | 0 | 1 | 70 | 1.00 | 0 | 0.00 | 35 | 0 | 0 | 0.00 | 0.00 | n/a | |
7. Odiorne Point, NH | 12 | 24 | 0 | 0 | 0 | 24 | 1.00 | 0 | 0.00 | 12 | 0 | 0 | 0.00 | 0.00 | n/a | |
8. Rye Harbor, NH | 6 | 12 | 0 | 0 | 0 | 12 | 1.00 | 0 | 0.00 | 6 | 0 | 0 | 0.00 | 0.00 | n/a | |
9. Wallis Sands, NH | 21 | 42 | 0 | 0 | 0 | 42 | 1.00 | 0 | 0.00 | 21 | 0 | 0 | 0.00 | 0.00 | n/a | |
10. Crane, MA | 12 | 24 | 0 | 0 | 0 | 24 | 1.00 | 0 | 0.00 | 12 | 0 | 0 | 0.00 | 0.00 | n/a | |
11. Neponset, MA | 23 | 46 | 0 | 0 | 0 | 46 | 1.00 | 0 | 0.00 | 23 | 0 | 0 | 0.00 | 0.00 | n/a | |
12. Pocasset, MA | 15 | 29 | 1 | 0 | 0 | 30 | 1.00 | 0 | 0.00 | 15 | 0 | 0 | 0.00 | 0.00 | n/a | |
13. Sippewisset, MA | 49 | 95 | 0 | 0 | 0 | 95 | 0.97 | 3 | 0.03 | 46 | 3 | 0 | 0.06 | 0.06 | −0.03 | ns |
14. Meadowlands, NJ | 8 | 16 | 0 | 0 | 0 | 16 | 1.00 | 0 | 0.00 | 8 | 0 | 0 | 0.00 | 0.00 | n/a | |
15. Rhode River, MD | 61 | 73 | 0 | 0 | 0 | 73 | 0.60 | 49 | 0.40 | 23 | 27 | 11 | 0.44 | 0.48 | 0.08 | ns |
16. Baruch, SC | 23 | 28 | 0 | 18 | 0 | 46 | 1.00 | 0 | 0.00 | 23 | 0 | 0 | 0.00 | 0.00 | n/a | |
17. San Juan, WA | 12 | 24 | 0 | 0 | 0 | 24 | 1.00 | 0 | 0.00 | 12 | 0 | 0 | 0.00 | 0.00 | n/a | |
18. Coos Bay, OR | 1 | 2 | 0 | 0 | 0 | 2 | 1.00 | 0 | 0.00 | 1 | 0 | 0 | 0.00 | 0.00 | n/a | |
19. Humboldt Bay, CA | 8 | 13 | 0 | 0 | 0 | 13 | 0.81 | 3 | 0.19 | 5 | 3 | 0 | 0.38 | 0.30 | −0.23 | ns |
20. San Francisco, CA | 5 | 8 | 0 | 0 | 0 | 8 | 0.80 | 2 | 0.20 | 3 | 2 | 0 | 0.40 | 0.32 | −0.25 | ns |
21. Gilkicker, UK | 9 | 9 | 9 | 0 | 0 | 18 | 1.00 | 0 | 0.00 | 9 | 0 | 0 | 0.00 | 0.00 | n/a | |
22. Near Salterns, UK | 14 | 14 | 14 | 0 | 0 | 28 | 1.00 | 0 | 0.00 | 14 | 0 | 0 | 0.00 | 0.00 | n/a | |
23. Salterns, UK | 9 | 9 | 9 | 0 | 0 | 18 | 1.00 | 0 | 0.00 | 9 | 0 | 0 | 0.00 | 0.00 | n/a | |
TOTAL | 403 | 618 | 47 | 18 | 6 | 689 | 0.85 | 117 | 0.15 | 309 | 71 | 23 | 0.18 | 0.25 | 0.29 | |
NOVA SCOTIA | 115 | 150 | 14 | 0 | 6 | 170 | 0.74 | 60 | 0.26 | 67 | 36 | 12 | 0.31 | 0.39 | 0.19 | |
NEW ENGLAND | 138 | 272 | 1 | 0 | 0 | 273 | 0.99 | 3 | 0.01 | 135 | 3 | 0 | 0.02 | 0.02 | −0.01 | |
MID-ATLANTIC | 31 | 44 | 0 | 18 | 0 | 62 | 1.00 | 0 | 0.00 | 31 | 0 | 0 | n/a | n/a | n/a | |
PACIFIC | 26 | 47 | 0 | 0 | 0 | 47 | 0.90 | 5 | 0.10 | 21 | 5 | 0 | 0.19 | 0.17 | −0.11 | |
UNITED KINGDOM | 32 | 32 | 32 | 0 | 0 | 64 | 1.00 | 0 | 0.00 | 32 | 0 | 0 | n/a | n/a | n/a |
Hobs = observed heterozygosity; Hexp = expected heterozygosity assuming HWE; HI = mean observed heterozygosity within subpopulations; HS = mean expected heterozygosity within subpopulations; FIS = (HS−HI)/HS; FST = (HT−HS)/HT; FIT = (HT−HI)/HT; 1 = Significant departure from Hardy Weinberg equilibrium.