Figure 4.
Ostreopsis cf. ovata sampled week 30 in 2011: (A) Ostreopsis proliferation between the surface and 5 m depth on brown macroalgae Padina pavonica; and (B) Toxin concentration and profile of Ostreopsis cf. ovata between the surface and 3 m depth (same sample, on P. pavonica) * at 5 m depth, cell number was too low for toxin quantification.