TABLE 3.

Diversity indices for bog and digester 16S rRNA gene and mcrA libraries using species-level groupings

Library (% similarity)	Mean diversity index
	Chao1 (95% confidence interval)	ACE ± SD	Shannon-Wiener index (H′) ± SD	Simpson's diversity index (1/D) ± SD
16S bog (98)	28.02 (20.16, 65.43)	30.2 ± 8.96	2.51 ± 0.16	10.99 ± 3.15
16S bog (96)	20.66 (15.32, 54.5)	19.07 ± 4.58	2.28 ± 0.14	8.44 ± 1.9
16S digester (98)	17.33 (12.72, 48.36)	17.19 ± 4.78	2.05 ± 0.15	6.85 ± 1.18
16S digester (96)	10.73 (9.3, 24.78)	10.74 ± 1.86	1.84 ± 0.12	5.59 ± 0.81
mcrA bog	25.83 (21.69, 52.1)	24.27 ± 3.07	2.65 ± 0.09	11.93 ± 1.71
mcrA digester	26.06 (21.17, 57.1)	24.81 ± 4.3	2.5 ± 0.08	9.94 ± 0.93