Table 3.

Sequencing data profiles and alpha diversity indexes.

	US	SKa	DT	SS	SE	AH
Number of raw sequences	1,053,625	480,983	1,028,376	1,761,134	1,167,238	1,100,225
Average size read (bp)	35–301	35–301	35–301	45–301	35–301	35–301
Mean GC content (%)	58	56	54	53	54	55
High quality sequencesb	1,013,171	429,677	952,470	1,650,101	1,084,632	1,057,048
Cleaned sequencesc	990,519	424,188	914,072	1,627,045	987,849	984,566
PyNAST aligned sequences	987,974	421,383	912,827	1,608,109	985,204	982,466
Sequences without singletons	974,062	417,783	898,358	1,569,331	970,574	968,368
Total OTUsd	7,326	6,334	9,083	26,244	11,504	6,430
Taxonomy assigned sequences	801,105	376,334	861,537	1,264,280	912,975	909,979
Bacteria	785,038	373,507	857,088	1,243,916	908,541	909,890
Archaea	16,067	2,827	4,449	20,364	4,434	89
Unassigned sequences	172,957	41,449	36,821	305,051	57,599	58,389
ALPHA DIVERSITY ANALYSIS
Good's coverage	0.985	0.987	0.983	0.974	0.982	0.985
Shannon-Wiener	6.505	9.020	6.123	9.929	7.128	7.513
Simpson	0.962	0.992	0.933	0.984	0.955	0.977

^aData collected from Bioproject accession number PRJEB7059.

^bSequences which passed the quality filtration and sequence read merging process.

^cSequences obtained after chimera removal.

^dAmount of observed OTUs after singletons removal.