Table 1.
Sample sizes, molecular diversities and tests of neutrality
| Sample name : | Dataset type | n | S | Ssyn | Sns | Si | θW | θπ | Rm | D | H |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M. galloprovincialis Atlantic (FA+PR) | HQ | 9 | 46 | 4 | 2 | 40 | 0.017 | 0.013 ± 0.003 | 1 | -1.37 | -7.11 |
| M. edulis Bay of Biscay (LU) | G | 24 | 76 | 8 | 2 | 66 | 0.017 | 0.014 ± 0.002 | 0 | -0.72 | -0.97 |
| HQ | 18 | 58 | 5 | 1 | 52 | 0.014 | 0.015 ± 0.002 | 0 | 0.12 | -0.78 | |
| M. edulis North Sea (WS) | G | 13 | 57 | 8 | 4 | 45 | 0.015 | 0.007 ± 0.003 | 0 | -2.29*** | -13.17** |
| HQ | 7 | 44 | 6 | 3 | 35 | 0.015 | 0.01 ± 0.005 | 0 | -1.67** | -10.19* |
G, global dataset; HQ, high quality subset exclusively composed of sequences captured several times; n, sample size; S, number of polymorphic sites; Ssyn, number of synonymous polymorphic sites; Sns, number of non-synonymous polymorphic sites; Si, number of intronic polymorphic sites; θW, nucleotide diversity estimated from the number of polymorphic sites [68];, θπ nucleotide diversity estimated from the average number of pairwise differences [37] with standard deviation; Rm, estimation of the minimum number of recombination [69]; D, Tajima's D [39]; H, Fay and Wu's H [4]. *P < 0.05, **P < 0.01, ***P < 0.001.