The total amount of energy converted by photosynthetic organisms minus the energy used in their own metabolic activities is Net primary productivity.
What is net primary productivity?
- The difference between the quantity of carbon produced through photosynthesis and the amount of energy consumed for respiration is the amount of carbon retained in an ecosystem (increase in biomass) Source.
- The pace at which all plants in an ecosystem create net usable chemical energy is known as net primary productivity (NPP).
- Gross primary productivity (GPP) measures how much biomass is saved and collected by primary producers for energy conservation. NPP is the distinction between cellular respiration and GPP.
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