期刊
DIVERSITY AND DISTRIBUTIONS
卷 12, 期 2, 页码 215-217出版社
WILEY
DOI: 10.1111/j.1366-9516.2006.00234.x
关键词
biodiversity indices; relative abundance; species monotonicity; taxonomic distinctiveness
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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