The productivity of ecosystems

In this topic

• Biomass and productivity — a stock and a rate
• Primary and secondary production
• Which ecosystems produce most?
• Agroecosystems, Uzbekistan and humanity

Key terms

• Biomass
• Dry mass
• Productivity
• Primary productivity
• Gross primary production (GPP)
• Net primary production (NPP)
• Secondary productivity
• Trophic level
• Ecological efficiency
• Agroecosystem
• Yield
• Limiting factor

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