כיצד לחשב את Biodiversity Index (Shannon)

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The Shannon-Wiener diversity index H' measures biodiversity combining species richness and evenness. H' = −Σ(pᵢ × ln pᵢ).

מדריך שלב אחר שלב

1. 1pᵢ = nᵢ/N for each species
2. 2H = −Σ(pᵢ × ln pᵢ)
3. 3H_max = ln(S) · Evenness J = H/H_max

Worked Examples