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Table 2 Effective DNA sequences, OTUs (Operational taxonomic units), ACE (abundance-based coverage estimator), Chao 1 (species richness estimator), Shannon (diversity index) and GOOD’s coverage (percent of total species represented in the samples) of samples

From: Semi-continuous anaerobic digestion for biogas production: influence of ammonium acetate supplement and structure of the microbial community

Sample code

Effective reads

2,700 effective reads/sample (3% cut-off)

OTUs

ACE

Chao 1

Shannon

GOOD’s coverage

Blank group

10 days

3,975

794

3,239.3

1,964.1

5.49

81%

25 days

5,392

780

2,898.1

1,722.2

5.61

82%

50 days

3,469

611

1,488.0

1,152.0

5.43

88%

H group

10 days

2,941

461

902.7

722.4

5.01

92%

25 days

3,074

499

1,247.8

878.5

4.83

91%

50 days

4,852

617

1,990.8

1,209.8

5.15

87%