Table 2. Statistical analysis of bacterial and archaeal 16S rRNA gene clone libraries.

Library name	Bacterial library			Archaeal library
	BC	BL	BW	AC	AL	AW
Number of raw sequences	71	69	220	33	35	98
Number of Chimeras	6	0	28	1	0	0
Number of analyzed sequences	65	69	192	32	35	98
Coverage (%)	96.9	91.3	86.5	90.6	82.9	91.9
OTU number	5	11	54	4	12	17
Shannon index (H)	0.92	1.34	3.14	0.41	2.07	1.77
Simpson (1-D)	0.49	0.58	0.90	0.18	0.83	0.65