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Unformatted text preview: number of species present and their relative abundance D max = S Equitability • The degree of variation in abundance of the species within a community is encapsulated in the concept of equitability D max = S Rank abundance • Rank abundance plots show how the relative numbers of particular species relate to their abundance (species) rank – the most abundant species is rank 1, the second-most abundant is rank 2, etc. – the relative abundance (y-axis) is the proportion of all individuals made up of each species Figure 16.5a, page 473...
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- Spring '08
- Ecology, relative abundance, Abundance, dmax, Rank abundance plots