Table 2. AMOVA results for C. pica COI and 16S for the four Caribbean connectivity regions [9].

Gene	Source of variation	d.f	% of variation	Fixation index	p
COI	Among Connectivity Regions	3	6.15	0.0615	0.20332
	Among Populations Within Regions	4	9.75	0.1038	0.00098
	Within Populations	98	84.11	0.1589	<0.00001
16S	Among Connectivity Regions	3	12.09	0.12087	0.15054
	Among Populations Within Regions	4	21.82	0.24816	<0.00001
	Within Populations	118	66.10	0.33904	<0.00001

Note: Columns indicate sources of genetic variation, the amount of variation accounted for by each source expressed as a percentage, and the fixation indices with associated significance levels determined through 1000 permutations of the data.