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Definition of Term

primary productivity
(English) The transformation of chemical or solar energy to biomass. Most primary production occurs through photosynthesis, whereby green plants convert solar energy, carbon dioxide, and water to glucose and eventually to plant tissue. In addition, some bacteria in the deep sea can convert chemical energy to biomass through chemosynthesis. (See also: photic, algae, primary production)
productivité primaire
(French) Transformation de l'énergie chimique ou solaire en biomasse. L'essentiel de la production primaire se fait grâce à la photosynthèse, dans laquelle les végétaux transforment l'énergie solaire, le dioxyde de carbone et l'eau en glucose et en tissu végétal. (See also: photic, algae, primary production)
productividade primária
(Portuguese) A transformação da energia solar ou química em biomassa. A maioria da produção primária ocorre através da fotossíntese, visto quen as plantas verdes transformam a energia solar, o dióxido de carbono e a Àgua em glucose e eventualmente no seu próprio tecido. (See also: photic, algae, primary production)

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