Shannon Diversity Index Calculator
Sustainability & EnvironmentFind the Shannon diversity index for a community of up to four species.
Shannon diversity index
A measure of species diversity, higher values indicate greater diversity
Total individuals
50
The total number of individuals across all species
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Odeh Ahwal0people find this calculator helpful
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Saved
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Sustainability & Environment calculators
Frequently Asked Questions
What does the Shannon diversity index measure?
The Shannon diversity index measures both how many species are present and how evenly individuals are distributed among them, with higher values indicating a more diverse community.
What is the Shannon index for populations of 25, 15, 8, and 2?
That distribution gives a Shannon index of about 1.13.
Why does an uneven distribution lower the index?
The index rewards evenness as well as species count, so a community dominated by one species scores lower than one where individuals are spread evenly across species, even with the same total count.
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