Toxic phytoplankton in general, and occurrence and toxin production by toxic cyanobacteria in particular. Seasonal variations in microcystin contents of Danish cyanobacteria. Henriksen, P. 1996. Research Projects Phytoplankton pigments . In addition to chlorophyll a, phytoplankton contain a wide range of accessory pigments, some of which are characteristic of specific taxa.
Special emphasis is placed on the effects of nutrient limitation on the pigment ratios.