Rules of the ecological pyramid. Biomass and energy pyramids

In this topic

• What is an ecological pyramid? (C. Elton, 1927)
• The rule of the ecological pyramid (Lindeman's 10% rule)
• The three kinds of pyramid
• Doing the sums and reading the consequences

Key terms

• Ecological pyramid
• Trophic level
• The 10% rule (Lindeman's rule)
• Pyramid of numbers
• Pyramid of biomass
• Pyramid of energy
• Inverted pyramid
• Standing biomass
• Ecological efficiency
• Biomagnification
• Producer
• Top predator

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