Table 2.

Alpha diversity analysis of microbial communities under different water cut conditions.

Sample number	Effective sequence	OUTs	Chao1a	Shannon	Simpsonb	Coverage rate (%)
CQ.1	54702	1025	984.8	6.35	0.734	99.7
CQ.2	62007	908	950.3	5.13	0.862	99.7
CQ.3	63203	946	942.0	5.42	0.837	99.6
CQ.4	57862	927	924.4	5.30	0.849	99.6
CQ.5	72608	916	979.3	5.18	0.871	99.5
CQ.6	53845	902	917.1	5.22	0.858	99.6
CQ.7	56577	906	942.3	5.03	0.878	99.6
CQ.8	47852	884	854.0	4.96	0.882	99.7
CQ.9	68629	900	958.5	4.43	0.893	99.5
CQ.10	53553	884	876.0	4.17	0.908	99.6

^aChao1: evaluation of species abundance.

^bSimpson: abundance of the total number of each species.