Question

Which is correct about $GPP$ and $NPP$ in ecosystem?

• A. $NPP=GPP$ - Plant respiration
• B. $NPP=GPP$ + Plant respiration
• C. $NPP=GPP$ - Animal respiration
• D. $NPP=GPP$ + Animal respiration

Answer 1

Answer: (A)

Gross 1° productivity minus respiration losses (R) is the NPP. GPP-R = NPP