Table 3.

Sample characteristics after reduction of sequencing errors.

Sample	No. of sequences	Good’s coverage	OTUs (98.5%)	invsimpson diversity index	npshannon diversity index
1	622,881	1.00000	93	1.6	1.0
2	605,126	1.00000	256	11.4	3.2
3	402,937	1.00000	71	3.5	1.7
4	578,223	1.00000	218	27.7	3.8
5	626,181	1.00000	323	14.4	3.7
6	594,296	0.99999	69	8.8	2.5
7	490,496	0.99999	123	6.0	2.1
8	538,865	0.99999	402	53.5	4.6
9	580,848	0.99999	171	15.9	3.3
10	626,790	0.99999	122	14.5	3.0
11	628,812	1.00000	130	1.1	0.3
12	642,319	0.99999	112	3.8	1.7
13	638,673	1.00000	181	4.9	2.7
14	542,274	0.99999	299	48.7	4.3
15	586,535	1.00000	402	36.6	4.3
16	555,276	0.99999	453	48.3	4.6
17	612,666	0.99999	252	7.6	2.9
18	633,027	0.99999	216	7.8	2.9
19	479,118	1.00000	142	8.5	2.6
20	591,593	0.99999	270	14.8	3.4
21	548,228	0.99999	277	23.6	3.7