The Organic Carbon Cycle in the Arctic Ocean

pp 57-81

Primary and Secondary Production in the Arctic Seas

  • E. Sakshaug

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Marine bio-production in the Arctic and Subarctic is based primarily on microscopic unicellular algae (phytoplankton) in the water column and micro-algae associated with ice. Algae utilise light to produce organic matter by photosynthesis, thereby reducing CO2 while releasing O2 and producing carbohydrates which, according to the needs of the algae, can be converted into essential compounds such as proteins and nucleic acids by incorporating nitrogen, phosphorus, sulphur, and other elements.