Characterization, Microbial Community Structure, and Pathogen Occurrence in Urban Faucet Biofilms in South China

Table 2

Comparison of phylotype coverage and diversity estimators of the microbial community structure employing the 454 pyrosequencing analysis.

Tap material	Samples	Reads	OTUs	ACE	Chao 1	Shannon	Simpson
PVC	A2	10,804	81	129	139	3.64	0.862
Stainless steel	A1	9,826	186	298	292	4.63	0.898
	A3	36,655	146	294	276	3.93	0.888
	A7	14,605	114	204	202	4.08	0.896
	A10	9,826	351	478	481	5.37	0.927
Cast iron	A5	13,660	106	182	192	3.27	0.831
	A8	13,214	217	383	340	4.43	0.921
	A9	27,517	152	250	256	4.46	0.916