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About Phytoplankton[edit]

Phytoplanktonare the autotrophic component of the plankton community. Most phytoplankton are too small to be individually seen with the unaided eye. However, when present in high enough numbers, they may appear as a green discolouration of the water due to the presence of chlorophyll within their cells (although the actual colour may vary with the species of phytoplankton present due to varying levels of chlorophyll or the presence of accessory pigments such as phycobiliproteins, xanthophylls, etc.).