Net Primary Production = Gross Primary Production - Respiration
Explanation:
<u>Gross Primary Production (GPP)</u> = The total amount of chemical energy that is expressed as carbon biomass created by primary producers in unit time.
<u>Respiration (R)</u> = A fraction of fixed amount of energy that is used by primary producers for the cellular respiration and maintenance of existing tissues.
<u>Net Primary Production (NPP)</u> = The remaining amount of the fixed energy.
Therefore, the equation that shows the relationship between gross and net primary production is,
<em>Net Primary Production (NPP) = Gross Primary Production (GPP) - Respiration (R)</em>
Net primary production is the amount of energy that remains behind after the consumption of some fraction of energy in respiration from the gross primary production.
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