. 2017 Jan 25;5:e2918. doi: 10.7717/peerj.2918

Table 4. Pearson Product-Moment Correlation Coefficient analysis of the percentage (%) contribution of Bromine (Br), Chlorine (Cl) and Iodine (I) in relation to decreasing pH values (8.0–7.2).

	Total mass	% Br	% Cl	% I
Kappaphycus alvarezii	0.24^NS	0.85	−0.89	−0.14^NS
Padina australis	−0.44^NS	0.08^NS	−0.60	0.03^NS
Sargassum binderi	−0.18^NS	0.42^NS	−0.42^NS	−0.19^NS
Sargassum siliquosum	0.13^NS	0.14^NS	0.14^NS	−0.53^a
Turbinaria conoides*	0.15^NS	−0.59	−0.46^a	0.62

Notes.

^NS

Non-significant.

p < 0.01 unless otherwise stated.

n = 20 but for T. conoides n = 25.