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21 February, 08:48

A forest has a GPP of 3.8 kg C/m2/year and the rate of cellular respiration is 2.4 kg C/m2/year. What is the NPP?

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  1. 21 February, 08:57
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    Answer: 1.4 kg C/m2/year

    Explanation:

    Given that,

    Gross Primary Production (GPP) = 3.8 kg C/m2/year

    Rate of cellular respiration (R) = 2.4 kg C/m2/year

    The NPP is equal to the Gross Primary Production (GPP) minus Rate of cellular respiration.

    Net Primary Production (NPP):

    = Gross Primary Production - Rate of cellular respiration

    = 3.8 kg C/m2/year - 2.4 kg C/m2/year

    = 1.4 kg C/m2/year

    The NPP is the overall efficiency of the plants in the ecosystem.
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