Gross-primary production and net primary production

Difference Between Gross Primary Productivity and Net Primary Productivity

Net primary productivity equals gross primary productivity minus the rate of respiration in producers.

Gross primary productivity is the total amount of energy assimilated from photosynthesis

The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP).

The total energy trapped by photosynthesis in an ecosystem is called the gross primary production.

The photosynthesis carried out by all the plants in an ecosystem is called the gross primary production GPP.

Both gross and net primary production are typically expressed in units of mass per unit area per unit time interval.

Both gross and net primary production are in units of mass per unit area per unit time interval.

Net primary production is the gross primary production minus autotrophic respiration, i.e., the sum of metabolic processes for plant growth and maintenance, over the same area.

Net primary production (NPP) Net primary production is the gross primary production minus autotrophic respiration, i.e., the sum of metabolic processes for plant growth and maintenance, over the same area.

This drought contributed to the estimated 30% reduction in gross primary production of terrestrial ecosystems over Europe (Ciais et al., 2005).

Gross primary production (GPP) is the amount of chemical energy, typically expressed as carbon biomass, that primary producers create in a given length of time.

Gross primary production (GPP) is the amount of chemical energy as biomass that primary producers create in a given length of time.

Finally they calculated the "total life-support value" as gross primary production multiplied by the ratio of gross national product to energy consumption.

The total amount of organic matter produced per unit time by an individual, a population, an area