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Ecosystems

Author(s): Deanne Erdmann MS

Primary Production in Plants

The total production of organic compounds by plants is referred to as primary productivity or production. This represents the total amount of light energy transformed into chemical energy through photosynthesis. Only about 1–5 % of the solar energy in any given location actually is captured for use or storage by plants. After the metabolic requirements of producers (plants or other photosynthetic organisms) are met, the total energy (accumulated as biomass) available to be passed through the food chain is called net primary productivity.