EnvThes
type: ConceptScheme

primary productivity
type: Concept
in scheme: EnvThes
alternative label: primary production
scope note: LTER EU controlled vocabulary
definition: [Henderson's] the amount of organic matter ﬁxed by the autotrophic organisms in an ecosystem per unit time.
broader: variable
preferred label: 初级生产力 @zh
preferred label: 一次生産力 @ja

variable
type: Concept
narrower: primary productivity