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Question
Write the equation that helps in deriving the net primary productivity of an ecosystem.
Solution
Net primary productivity (NPP) in an ecosystem can be derived using the following equation: NPP = GPP (Gross primary productivity) − R (Respiratory losses)
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| Tropic level | Net Production(KJm-2y-1) | Respiration (KJm-2y-1) |
| Top Carnivore | 50 | 35 |
| Carnivores | 420 | 378 |
| Herbivores | 4490 | 4041 |
| Producers | 45000 | 40,367 |
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