Table 2.

Summary of the OTU dataset obtained with the V6–454 and V4–Illumina methods.

Method	Level of sub-sampling (number of sequences)	Number of OTUs	% singletons (in the subsampled dataset)
V6–454a	4101	1459	48.5%
V4–Illumina	79,302	2919	25.6%

^aTaken from (Gilbert et al., 2010, Gilbert et al., 2012).