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Thesaurus Search Results

primary productivity
Subject Category
P Natural Resources, Earth and Environmental Sciences
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).
Definition Source
US Environmental Protection Agency
RDF/XML Format:
Persistent URI:
Used For
primary production (ecology)
Broader Term
ecological processes and phenomena
Narrower Term
gross primary productivity
net primary productivity
Related Term
net ecosystem exchange
net ecosystem production
organic matter
productividad primaria
Term Number