The net primary productivity of an ecosystem is 1 kg C/m2/year, and the energy needed by the producers for their own respiration is 1.5 kg C/m2/yr. The gross primary productivity of such an ecosystem would be

The net primary productivity of an ecosystem is 1 kg C/m2/year, and the energy needed by the producers for their own respiration is 1.5 kg C/m2/yr. The gross primary productivity of such an ecosystem would be




A)2.5 kg C/m2/yr

B)1.5 kg C/m2/yr

C)0.5 kg C/m2/yr

D)1.0 kg C/m2/yr

E)2.0 kg C/m2/yr






Answer: A


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