Kuinka laskea Net Primary Productivity
Mikä on 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.
Vaiheittainen opas
- 1NPP = GPP − Ra (autotrophic respiration)
- 2In gC/m²/year or kcal/m²/year
Ratkaistut esimerkit
Syöte
Tropical rainforest GPP 7000 · Ra 3500
Tulos
NPP = 3,500 gC/m²/yr
Highest productivity ecosystem
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