Table 1.

Diversity indices of major rookeries of the Atlantic Ocean.

Rookery	n	nHap	Hd	π
Brazil	131	3	0.467	0.001
Cabo Verde	1273	20	0.572	0.005
Mediterranean	521	13	0.348	0.001
Mexico	175	14	0.770	0.015
USA	2107	23	0.555	0.023

n number of individual analysed, nHap number of haplotypes, Hd haplotype diversity, π nucleotide diversity.