The second component is the time the stationary phase retains the analyte, referred to as the adjusted retention time, t’R.

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#Unit 10. Ecological Principles

Simpson’s diversity index

DS and species diversity are negatively related.

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#Id: 3729

#Unit 10. Ecological Principles

Gini Simpson index of diversity (DGS) = 1 − DS.

DGS and species diversity are positive related

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#Unit 10. Ecological Principles

The Shannon index
Direct related with Diversity and increases with addition of species and even distribution of species.

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#Unit 10. Ecological Principles

Brillouin index discriminates between these two communities with same richness and evenness and the Shannon index does not.

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#Unit 10. Ecological Principles

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#Id: 3733

#Unit 10. Ecological Principles