Kā aprēķināt Net Primary Productivity
Kas ir 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.
Soli pa solim ceļvedis
- 1NPP = GPP − Ra (autotrophic respiration)
- 2In gC/m²/year or kcal/m²/year
Worked Examples
Ievade
Tropical rainforest GPP 7000 · Ra 3500
Rezultāts
NPP = 3,500 gC/m²/yr
Highest productivity ecosystem
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