Question

The unit to measure productivity is

• A. $g m^{- 2}m^{- 2}yr^{- 1}$
• B. $\left(k c a l \, m^{- 2}\right)\left(yr\right)^{- 1}$
• C. $g m^{- 2}yr^{- 2}$
• D. $\left(k c a l \, m^{- 2}\right) \, \left(yr\right)^{- 2}$

Answer 1

Answer: (B)

The annual rate of biomass production is called productivity. It is measured in terms of $\left(k c a l \, m^{- 2}\right)\left(yr\right)^{- 1}$ or $g m^{- 2}yr^{- 1}$