Food chain (10% rule)
E_n = E₀ × 0.1^n.
Calculator
How to use
Trophic
Rule-of-thumb.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
E_n = E₀ × 0.1^n.
Rule-of-thumb.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Model / formula
E_n ≈ E₀ × 0.1^n
Result
~10% rule: remaining ≈ 100.0000