Table 6. Structure of populations within Clade E as determined by AMOVA.

Source of variation	df	Sum of Squares	Variance components	Percentage of variation
Among groups	3	14.958	0.05145	11.88
Among population within groups	23	32.957	0.09653	22.3
Within populations	313	89.185	0.28494	65.82
Fixation Indices	Value	P-value
FCT	0.11884	< 0.001 ± 0
FSC	0.25306	< 0.001 ± 0
FST	0.34182	< 0.001 ± 0

Groups are Bay of Biscay, English Channel England and Ireland, English Channel France, and Mediterranean.