Phylogenetic autocorrelation and evolutionary interpretation of the higher-taxon approach for biodiversity analyses.

Abstract excerpt

Although in most recent broad-scale analyses, diversity is measured by counting the number of species in a given area or spatial unity (species richness), a 'top-down' approach has been used sometimes, counting higher-taxon (genera, family) instead of species with some advantages. However, this higher-taxon approach is quite empirical and the cut-off level is usually arbitrarily defined. In this work, we show...

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