Net primary productivity | definition of Net primary productivity by Medical dictionary
primary production (redirected from Net primary productivity)
Also found in: Acronyms
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.