If the GPP of an aquatic ecosystem is 180 units per year, and the NPP is 100 units, what is the respiration rate of the primary producers?
A) 80 units per year
B) 100 units per year
C) 180 units per year
D) 260 units per year

Question

Quizplus · Accepted Answer

The respiration rate of the primary producers is calculated as the difference between the Gross Primary Productivity (GPP) and the Net Primary Productivity (NPP). Therefore, Respiration = GPP - NPP = 180 - 100 = 80 units per year.

If the GPP of an Aquatic Ecosystem Is 180 Units