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Effect of GC fractionation on similarity-based OTU numbers, Shannon-Weaver diversity indices, and richness estimates
| Fractionation status | No. of unique OTUs | Shannon-Weaver index | Evenness | Richness estimate | % of shared OTUsc |
|---|---|---|---|---|---|
| GC fractionateda | 335 | 5.62 | 0.966 | 1,020 | 64 |
| Not GC fractionatedb | 301 | 5.45 | 0.954 | 780 | 74 |
Based on 487 starting sequences.
Based on 490 starting sequences.
OTUs identified in both libraries.
