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Science |
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324 |
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Gpp
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GPP is gross primary productivity. Since green plants do photosynthesis, they absorb sunlight and carbon dioxide and then produce oxygen. The whole process will leave the plants alive and also provide humans with essential living element for survival. What GPP measures is how much the plants and the trophic levels above obtain from the sun. It measures the energy gained by the earth from the sun. To calculate net primary productivity, respiration needs to be reducted. Respiration is performed by
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