Biodiversity Index Calculator
Calculate Shannon diversity, Pielou evenness, and Simpson index for an ecological community.
How to Use the Biodiversity Index Calculator
- Enter the total number of individuals.
- Enter the number of species observed.
- Click Calculate.
- Review Shannon, evenness, and Simpson indices.
使用场景
- •Ecological surveys
- •Conservation biology
- •Environmental monitoring
公式
H′ = −Σ(p_i × ln p_i); J′ = H′ / ln(S)
常见问题
How accurate is this calculator?
Results are based on standard scientific formulas and are suitable for preliminary estimates.
What units are used?
SI units (metres, kg, seconds) are used unless otherwise noted.
Is it free?
Yes, all calculators are completely free.