Table 6

Analysis of molecular variance (AMOVA) in A. alosa and A. fallax
Source of variation df pvalue Variance components % Variation Ф-statistics
A. alosa
2-level All populations (AP) 8 0.22 0.09141 4.30 ΦST = 0.04301
2-level Northern Atlantic (AP) 5 0.4 0.00028 0.01 ΦST =0.00013
2-level Southern Atlantic (AP) 2 0.35 0.00405 0.22 ΦST =0.00220
A. fallax
2-level All populations (AP) 27 < 0.0001 1.32962 44.96 ΦST =0.44961
2-level Atlantic (AP) 18 < 0.0001 0.72105 27.17 ΦST =0.27173
2-level Mediterranean (AP) 8 < 0.0001 0.55727 38.73 ΦST =0.38730
3-level Among groups (AG)* 2 < 0.0001 2.05054 51.52 ΦCT =0.51524
Among populations within groups (APWG) 25 < 0.0001 0.30157 7.58 ΦSC =0.15632
Within populations (WP) 131 < 0.0001 1.62767 40.90 ΦST =0.59102

* Populations were clustered in three main groups: Atlantic (except Morocco); Mediterranean; and Morocco. AP, among populations; AG, among groups; APWG, among populations within groups; WP, within populations.

Faria et al.

Faria et al. BMC Evolutionary Biology 2012 12:194   doi:10.1186/1471-2148-12-194

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