Figure 5. Mean effective quantum yield (Y (II)) of rapid light response curves (RLCs) of U. prolifera and U. intestinalis, obtained from short-term (24 h) culture to each, measured under different culture treatments: pre-bloom, bloom,and post-bloom.

Values are means ± SD (n = 5). Different letters above bars indicate significantly different values (post-hoc, P<0.05).