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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > ecology > ecological processes and phenomena > primary productivity
Natural Resources, Conservation, Environment > ecology > ecological processes and phenomena > primary productivity
Preferred Term:

primary productivity

Definition:
A measure of the rate at which new organic matter is formed and accumulated through photosynthesis and chemosynthesis activity of producer organisms (chiefly, green plants). The rate of primary production is estimated by measuring the amount of oxygen released (oxygen method) or the amount of carbon assimilated by the plant (carbon method).
Concept Schemes:
NALT Core
Broader Concept:
ecological processes and phenomena
Related Concepts:
Entry Terms:
  • primary production (ecology)
URI:
https://lod.nal.usda.gov/nalt/362
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2018-11-16
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