APES Topic 1.8- Primary Productivity
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primary productivity
the rate at which solar energy is converted into organic compounds via photosynthesis over a unit of time
net primary productivity (NPP)
the rate of energy storage by photosynthesizers in a given area, after subtracting the energy lost to respiration (GPP-RL= NPP)
gross primary productivity (GPP)
the total rate of photosynthesis in a given area