Biodiversity Index (Shannon) ची गणना कशी करावी
Biodiversity Index (Shannon) म्हणजे काय?
The Shannon-Wiener diversity index H' measures biodiversity combining species richness and evenness. H' = −Σ(pᵢ × ln pᵢ).
चरण-दर-चरण मार्गदर्शक
- 1pᵢ = nᵢ/N for each species
- 2H = −Σ(pᵢ × ln pᵢ)
- 3H_max = ln(S) · Evenness J = H/H_max
Worked Examples
इनपुट
Species counts: 50, 30, 20
परिणाम
H = 1.03 · J = 0.94
High evenness despite only 3 species
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