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| In many taxa, a few genuses have a large number of species, while most genuses have only one or a few species. Dominance is defined as the fraction of species/genus in the largest genus. Relevance: 1. Distribution of species within taxa can serve as a baseline against which to measure database bias. 2. It's important to detect cases in which the dominant species in the database is NOT dominant in the taxonomy. |
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| Figure 1 from Scotland RW, Sanderson MJ (2004)
The Significance of Few Versus Many in the Tree of Life, Science 303:643. |
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