Table 1.

Detailed α-diversity indices based on 454 pyrosequencing and DGGE results.

		454 pyrosequencing				DGGE
Sample type	Sample ID	N (total sequence reads)	Observed richness (sequence reads)	Chao1 richness (sequence reads)	Shannon diversity	Richness (# bands)	Gini evenness
Influent	WM1	3464	453	696	5.28	20	0.67
Influent	WM2	3052	1590	2378	6.37	8	0.82
Influent	WM3	3672	592	1009	5.10	26	0.54
Influent	WM4	4144	802	1629	5.83	33	0.47
Influent	WM5	4260	693	1349	5.45	27	0.58
Cotton sample	Ref	2705	439	696	5.20	n.a.	n.a.
Cotton sample	WM1	4387	561	962	4.50	9	0.82
Cotton sample	WM2	n.a.	n.a.	n.a.	n.a.	11	0.77
Cotton sample	WM3	3089	493	904	3.99	18	0.73
Cotton sample	WM4	6151	693	1250	5.42	15	0.78
Cotton sample	WM5	n.a.	n.a.	n.a.	n.a.	14	0.72
Greywater	WM1	2568	804	1460	5.49	18	0.61
Greywater	WM2	n.a.	n.a.	n.a.	n.a.	22	0.52
Greywater	WM3	4565	768	1754	5.34	24	0.56
Greywater	WM4	2726	632	1299	4.92	25	0.62
Greywater	WM5	n.a.	n.a.	n.a.	n.a.	16	0.68

n.a., not available.