gross primary production


Also found in: Medical.

gross primary production

[¦grōs ′prī‚mer·ē prə′dək·shən]
(ecology)
The incorporation of organic matter or biocontent by a grassland community over a given period of time.
References in periodicals archive ?
The rates of gross primary production ranged from 2.
This is a dangerous inference though, as there is no scientific consensus on the most basic metrics of Amazonian carbon exchange: the gross primary production (GPP) and its response to moisture deficits in the soil and atmosphere.
We measured gross primary production (GPP) and chlorophyll a concentration at two stations in each of five estuaries of Waquoit Bay (Childs River, Quashnet River, Jehu Pond, Hamblin Pond, and Sage Lot Pond).
Concentrations of dissolved oxygen in the bottles were determined by the Winkler method and used to calculate an average hourly rate of gross primary production (GPP).