Fig. 6

The (a) distribution of chlorophyll-a derived from high-performance liquid chromatography (Chla), total chlorophyll-a derived from high-performance liquid chromatography (TCHLA) and chlorophyll-a derived from fluorometric determination (FCHLORA) in the BIO-MATE data compilation and (b) the location of high (>10 μg/l) Chla, TCHLA and FCHLA measurements.