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variable > net primary productivity

Preferred term

net primary productivity  


  • [ECSO] the amount of primary production available for export (ie, gross, minus losses, like the autotrophs' own respiration, or other loss (exudation) not used by the carbon-fixing organism itself) = gross primary production - autotrophic respiration synonyms: NPP Gross primary production (GPP) minus autotrophic respiration (AR) per unit ground or water area and time.

Broader concept

Entry terms

  • NPP

Scope note

  • US LTER controlled vocabulary




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