Microalgae Culture and Production

Joseph, Shoji (2023) Microalgae Culture and Production. In: Winter School on Mariculture Technologies for Income Multiplication, Employment, Livelihood and Empowerment. ICAR-Central Marine Fisheries Research Institute, Kochi, pp. 256-269.

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Abstract

Marine micro-algae are single-celled plants and like all plants, contain chlorophyll, which traps the energy from light and uses it to convert nutrients and carbon dioxide dissolved in the sea water into organic growth. Phytoplanktons are the primary producers of the sea and they belong to different classes of algae. Unicellular marine microalgae are widely used as food in the hatchery production of commercially valuable fish and shellfish for the various stages. The important components of micro algae are the diatoms, dinoflagellates, silicoflagellates (phyto-flagellates), coccolithophores, blue-green algae and the ‘hidden flora’ the nanoplankters. Among these, the diatoms and phytoflagellates are significant organisms since they form the primary link in the food chain of the sea. It is known that the success of any hatchery operations depends mainly on the availability of the basic food, the micro algae.

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