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Unformatted text preview: produces for cellular respiration (maintenance); NPP = GPP - R iii. Standing crop total biomass of autotrophs iv. Different ecosystems differ in their NPP 1. Marine 2. Freshwater 3. Terrestrial b. Secondary production i. Production efficiency ii. Trophic efficiency II. Why is the world green? III. Nutrient cycles: water, C, N, P IV. Hubbard Brook...
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- Fall '08