primary production

(redirected from Gross primary production)
Also found in: Encyclopedia.

primary production

the production by living organisms (AUTOTROPHS) of organic material from inorganic sources. Gross primary production is the total amount of organic material synthesized in a given time, whereas net primary production is the amount of organic material formed in excess of that used in respiration. Compare SECONDARY PRODUCTION.
References in periodicals archive ?
Implementing agency : Gyeongsangnam-do Gyeongsangnam-do Office of Education Office of Education gross primary production
Pollination Movement of floral gametes Biological control Trophic-dynamic regulations of populations Refugia Habitat for resident and transient populations Food production That portion of gross primary production extractable as food Raw materials That portion of gross primary production extractable as raw materials Genetic resources Sources of unique biological materials and products Recreation Providing opportunities for recreational activities Cultural Providing opportunities for non-commercial uses Table 2 Ecosystem Services Value Unit Area of Chinese Terrestrial Ecosystem Forest Grassland Cropland Gas regulation 3.
Using a novel combination of observations and modelling, Christian Beer and colleagues from ten other countries estimated the Earth's gross primary production (GPP), which represents the total amount of C[O.
Rates of change in DO attributable to gross primary production and respiration were corrected for diffusion across the air-sea interface using a gas transfer velocity proportional to wind speed (5).