Table 1.

Sample information and number of sequences obtained

Sample name	Raw reads	Clean reads	Utilization ratio of reads (%)	Tags	Connect ratio (%)	OTUs
RSM.1	33 831	31 558	93.28	31 332	99.28	614
RSM.2	33 718	31 494	93.4	31 278	99.31	633
RSM.3	34 250	31 614	92.3	31 422	99.39	616
NSM.1	33 574	31 454	93.69	31 176	99.12	546
NSM.2	33 254	31 702	95.33	31 459	99.23	573
NSM.3	33 696	31 461	93.37	31 208	99.20	537
CMSM.1	32 455	31 314	96.48	31 083	99.26	388
CMSM.2	32 278	30 993	96.02	30 786	99.33	444
CMSM.3	32 206	31 057	96.43	30 818	99.23	470