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Diversity measurement combining relative abundances and taxonomic distinctiveness of species

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ABSTRACT

We discuss a diversity measure combining information of relative abundances and taxonomic distinctiveness suggested by Ricotta (2004). We show that Ricotta's measure violates weak species monotonicity, a condition that requires that the addition of a species should always increase a diversity index if abundances change only marginally. We suggest an alternative index satisfying weak species monotonicity and apply it to the ‘Zeesserveld’ forest reserve in the Netherlands.
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Keywords: Biodiversity indices; relative abundance; species monotonicity; taxonomic distinctiveness

Document Type: Research Article

Publication date: 2006-03-01

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