Table 3.

Biodiversity indexed on the panel O, untreated; A, treated with EDCs antifouling paint; B, treated with silicone and hydrogel antifouling paint

Biodiversity index	Value range for index	Panels O	Panels A	Panels B
Total number of species S	n.l	20.4 ± 3.5	16.7 ± 1.9*	19.2 ± 2.0
Total number of specimens N	n.l	740 ± 25	311 ± 46*	546 ± 34
Shannon–Wiener index H'	0–5	2.5 ± 0.1	1.8 ± 0.1*	2.3 ± 0.2
Simpson index Δ	0–1	0.87 ± 0.03	0.69 ± 0.01*	0.83 ± 0.07
Margalef index d	n.l	19.8 ± 0.5	15.8 ± 0.8*	18.8 ± 0.6
Pielou Evenness index J’	0–1	0.37 ± 0.07	0.32 ± 0.09*	0.36 ± 0.05
McIntosh index Mc	0–1	0.66 ± 0.04	0.47 ± 0.06*	0.61 ± 0.07

n.l., no limit. P < 0.05. * Panel A vs. Panel O and B. Values represent means ± SD