APFIVE Calculating Net Primary Productivity
A mature forest has a gross primary productivity (GPP) of $$1200$$ $$g/m^2/yr$$ and an ecosystem respiration ® of $$1150$$ $$g/m^2/yr$$. What is the net primary productivity (NPP) of this ecosystem?
A
50 $$g/m^2/yr$$
B
1200 $$g/m^2/yr$$
C
100 $$g/m^2/yr$$
D
1150 $$g/m^2/yr$$
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