Shannon Diversity Index Calculator

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Calculates the Shannon Diversity Index (H') to quantify species diversity in a community. The index considers both the number of species and the evenness of their distribution.

Results

Total Number of Individuals (N)

50individuals

Proportion of Species 5 (p5)

0.24

Proportion of Species 4 (p4)

0.16

Proportion of Species 3 (p3)

0.1

Proportion of Species 2 (p2)

0.3

Proportion of Species 1 (p1)

0.2

ln(p5)

-1.43

ln(p4)

-1.83

ln(p3)

-2.30

ln(p2)

-1.20

ln(p1)

-1.61

Shannon Diversity Index (H')

1.55

Inputs

Presets:

Number of Species (S)

species

Abundance of Species 1 (n1)

individuals

Abundance of Species 2 (n2)

individuals

Abundance of Species 3 (n3)

individuals

Abundance of Species 4 (n4)

individuals

Abundance of Species 5 (n5)

individuals