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    Can anyone help me out, I can't find a decent definition of Net Primary Productivity and I'm not sure how I could include it in an answer about forest ecosystems?

    Anyone know any good sites or can help me here?

    Thanks
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    (Original post by hotshot_uk05)
    Can anyone help me out, I can't find a decent definition of Net Primary Productivity and I'm not sure how I could include it in an answer about forest ecosystems?

    Anyone know any good sites or can help me here?

    Thanks
    Net Primary Productivity consists of the energy plants receive from the sun, less the energy they use for photosynthesis. Therefore, it is the energy available to be passed from the producers to the primary consumers. It is measured as kg/m2/yr.
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    Thanks!
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    NPP= GPP - resperation

    Gpp= energy from the sun

    Quote that equation!
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    Thanks for the help!
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    It came up in January, doubt it will in June.
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    Oh right - excellent!
 
 
 
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Updated: June 14, 2005
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