what is primary productivity
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Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances. The total amount of productivity in a region or system is gross primary productivity.
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• It is defined as the amount of biomass or organic matter which produced per unit area over a time duration by plants during photosynthesis.
It is of two types -
- Net primary productivity
- Gross primary productivity
Gross primary productivity debt respiration harm is the net primary productivity (NPP). GPP-R = NPP.
Primary productivity be dependent on the plant species reside a special area. It also depends upon on a variety of environmental factors, availability of nutrients and photosynthesis capacity of plant.
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