ZoologyNEET 2025Structure, productivity and decomposition

Ecosystem

Which of the following is the unit of productivity of an ecosystem?

A. $g m^{- 2}$
B. $kcal m^{- 2}$
C. $kcal m^{- 3}$
D. $(kcal m^{- 2}) y r^{- 1}$ ✓

Solution

Productivity is the rate of biomass production per unit area per unit time, expressed in $g m^{- 2} y r^{- 1}$ or $(kcal m^{- 2}) y r^{- 1}$ .

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