What is the Simpson's index of diversity?

The Simpson's index of diversity is a measure of biodiversity within a habitat that takes into account both species richness and species evenness.

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What are species richness and species evenness?

Species richness is the number of different species in a particular area at a given time.


Species evenness is a comparison of the numbers of individuals of each species in a community.

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What are the potential values for the Simpson's index of diversity?

It always results in a value between 0 and 1.

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What does a high value for the Simpson's index of diversity represent?

A high value, close to 1, represents infinite biodiversity. The higher the value, the more biodiverse the habitat.

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What does a Simpson's index of diversity of 0 represent?

A Simpson's index of diversity of 0 represents no biodiversity.

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