Table 6 Analysis of molecular variance (AMOVA) in A. alosa and A. fallax

A. alosa

2-level

All populations (AP)

8

0.22

0.09141

4.30

Φ_ST = 0.04301

2-level

Northern Atlantic (AP)

5

0.4

0.00028

0.01

Φ_ST =0.00013

2-level

Southern Atlantic (AP)

2

0.35

0.00405

0.22

Φ_ST =0.00220

A. fallax

2-level

All populations (AP)

27

< 0.0001

1.32962

44.96

Φ_ST =0.44961

2-level

Atlantic (AP)

18

< 0.0001

0.72105

27.17

Φ_ST =0.27173

2-level

Mediterranean (AP)

8

< 0.0001

0.55727

38.73

Φ_ST =0.38730

3-level

Among groups (AG)*

2

< 0.0001

2.05054

51.52

Φ_CT =0.51524

Among populations within groups (APWG)

25

< 0.0001

0.30157

7.58

Φ_SC =0.15632

Within populations (WP)

131

< 0.0001

1.62767

40.90

Φ_ST =0.59102