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. 2015 Jun 16;3:e997. doi: 10.7717/peerj.997

Figure 1. Rarefaction curves for phoH sequences from all 85 depths/times; OTUs are defined by sequence identity of 97% or greater.

Figure 1

(A) Plotting with different scales on x- and y-axes demonstrates some separation of the rarefaction curves. Curve with greatest slope is September 2008, 0 m, while curve with least slope is March 2011, 1,000 m. (B) Plotting in relation to the 1:1 line demonstrates flattening of all rarefaction curves.