Table 1.

Illumina MiSeq sequencing data

	Seq_num	OTU	Shannon diversity index	Chao 1 estimator
IOP-L	80,150	9652	8.71	45,078.72
IOP-M	75,410	9439	8.69	39,521.43
IOP-H	53,515	5918	8.44	23,794.53
PC	66,853	6903	8.50	33,496.84
MC	90,192	10,815	9.00	57,089.69
NC	43,692	5223	8.24	20,227.70