Table 2.

Biodiversity and predicted richness of the aprA and dsrA gene sequences.

	Samples	No. of sequences	OTUs	Coverage	Shannon diversity index	Simpson (inverse) index	Schao1	SACE
aprA	2-53	116	4	0.991	0.86	1.96	4	5.09
	2-71	44	5	0.977	0.83	1.63	5	5.44
	9-18	106	5	1	0.97	1.96	5	5
	9-14	24	4	0.958	0.98	2.17	4	4.94
	11-7	70	6	1	1.25	2.48	6	6
	11-6	31	5	0.935	0.88	1.74	5.48	7.22
dsrA	2-53	77	4	1	1.17	2.77	4	4
	2-71	50	3	1	0.57	1.44	3	3
	9-18	114	4	1	0.71	1.53	4	4
	9-14	86	2	1	0.5	1.46	2	2
	11-7	136	5	0.985	0.56	1.39	5.99	8.67
	11-6	112	2	1	0.59	1.67	2	2