Figure 3.

Rarefaction curves for discoveries of (A) MOTUs and (B) biomass. With increasing sequence quantity, discovery rates for MOTUs and biomass are both improved, using a reference-based method (red dashed line) and a reference independent method (blue solid line).

Zhou et al. GigaScience 2013 2:4   doi:10.1186/2047-217X-2-4
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