EnvThes
type: ConceptScheme

net primary productivity
type: Concept
in scheme: EnvThes
alternative label: NPP
scope note: US LTER controlled vocabulary
definition: [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: variable
modified: 2019-06-12

variable
type: Concept
narrower: net primary productivity