TABLE 2.

Statistical analyses of Bacteria and Archaea 16S rRNA clone libraries using standard ecological and molecular estimates of sequence diversity

DomainNucleic acid sampledSample layerNo. of clones screenedNo. of operational taxonomic units% CoverageSpecies richnessSorensen's indexShannon- Weiner indexGene diversityNucleotide diversityθ(π)
Bacteria DNASEH343542.969 (57, 81)a2.7850.95 ± 0.02b0.22 ± 0.11b85.0 ± 41.7b
IH462664.045 (38, 53)2.7620.93 ± 0.020.24 ± 0.1297.5 ± 47.4
Total805560.677 (71, 82)0.2383.1680.95 ± 0.010.23 ± 0.1196.0 ± 46.2
RNASEH481881.337 (14, 60)2.5910.93 ± 0.020.17 ± 0.0882.0 ± 39.9
IH492275.539 (30, 47)2.8110.94 ± 0.020.17 ± 0.0876.8 ± 37.3
Total973083.550 (44, 57)0.5002.9460.94 ± 0.010.17 ± 0.0883.0 ± 39.9
Archaea DNASEH501282.033 (22, 45)1.6750.72 ± 0.050.08 ± 0.0423.3 ± 11.6
IH501492.015 (14, 16)2.3750.91 ± 0.020.21 ± 0.1058.9 ± 28.7
Total1002094.024 (22, 27)0.5192.5270.90 ± 0.020.17 ± 0.0846.4 ± 22.5
RNASEH49695.97 (4, 10)1.3010.69 ± 0.040.08 ± 0.0444.7 ± 21.9
IH48497.94 (4, 4)0.8970.49 ± 0.070.04 ± 0.0223.3 ± 11.6
Total97796.99 (4, 14)0.6001.2930.69 ± 0.020.07 ± 0.0338.3 ± 18.6
  • a The numbers in parentheses are 95% confidence intervals.

  • b Mean ± standard deviation.