Question

State the relation between gross and net primary productivity.

Answer 1

Gross productivity is the rate of production of biomass by green plants per unit time per unit area. ... Net primary productivity is the difference between the gross primary productivity and the loss due to respiration. Secondary productivity is the rate of formation of organic matter by the consumers.

Answer 2

Gross productivity is the rate of production of biomass by green plants per unit time per unit area. ... Net primary productivity is the difference between the gross primary productivity and the loss due torespiration. Secondary productivity is the rate of formation of organic matter by the consumers.