A mesophilic anaerobic digester for treating food waste: process stability and microbial community analysis using pyrosequencing

Table 1 Sample information and statistical results

Samples	Reads	OTU	Richness	Gini coefficient	Jaccard similarity index (%)
Samples	Reads	OTU	Richness	Gini coefficient	Day 45	Day 90	Day 120	Day 150
Archaea
Day 45	6221	35	36 (5)a	0.786 (6.5E−02)b	–	99.49	97.23	97.27
Day 90	6552	32	36 (11)a	0.767 (8.9E−02)a		–	99.60	99.47
Day 120	6879	31	32 (5)a	0.775 (8.3E−02)ab			–	99.78
Day 150	5892	33	40 (15)a	0.850 (5.2 E−02)c				–
Bacteria
Day 45	6625	173	192 (15)a	0.901 (4.0E−02)a	–	74.14	73.40	73.41
Day 90	6614	189	212 (16)ab	0.949 (2.0 E−02)c		–	65.38	58.00
Day 120	7256	215	239 (17)b	0.956 (1.7E−02)d			–	96.03
Day 150	7789	196	238 (25)b	0.931 (2.5 E−02)b				–

Numbers in brackets stand for standard errors, and the different letters show a significantly different among samples at different operational phase (P < 0.05)

ISSN: 1475-2859