Как да изчислим Net Primary Productivity
Какво е Net Primary Productivity?
Net Primary Productivity (NPP) is the rate at which plants produce organic matter through photosynthesis minus the carbon they use in their own respiration. NPP = GPP − Ra.
Ръководство стъпка по стъпка
- 1NPP = GPP − Ra (autotrophic respiration)
- 2In gC/m²/year or kcal/m²/year
Worked Examples
Вход
Tropical rainforest GPP 7000 · Ra 3500
Резултат
NPP = 3,500 gC/m²/yr
Highest productivity ecosystem
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