TABLE 2.

Relative abundances of clones related to various bacterial phylogenetic divisions in clone libraries from Wonju groundwater and livestock wastewater

Phylogenetic group	Relative clone abundance (%) in:
	Clone libraries of groundwater and livestock wastewater					Pooled data set of groundwater
	W3-R	W3-Y	W1-R	W1-Y	LW	W3a	W1b
α-Proteobacteria	5.6	10.5	7.7	7.5	7.0	8.1	7.6
β-Proteobacteria	44.4	42.1	32.3	28.3	21.1	43.2	30.5
γ-Proteobacteria	5.6	10.5	9.2	7.5	8.8	8.1	8.5
δ-Proteobacteria	0.0	0.0	1.5	1.9	1.8	0.0	1.7
Low-G+C gram-positive group	0.0	5.3	20.0	18.9	29.8	2.7	19.5
High-G+C gram-positive group	5.6	5.3	3.1	5.7	3.5	5.4	4.2
Cytophaga-Flexibacter-Bacteroides	0.0	5.3	15.4	20.8	22.8	2.7	17.8
Cyanobacteria	0.0	0.0	1.5	0.0	0.0	0.0	0.8
Nitrospira	0.0	0.0	1.5	1.9	0.0	0.0	1.7
Verrucomicrobia	0.0	0.0	1.5	1.9	1.8	0.0	1.7
Spirochaetales	0.0	0.0	1.5	1.9	1.8	0.0	1.7
Acidobacterium	5.6	5.3	0.0	1.9	0.0	5.4	0.8
WJG group 1c	33.3	15.8	3.1	0.0	0.0	24.3	1.7
WJG group 2c	0.0	0.0	1.5	1.9	1.8	0.0	1.7

^aW3-R and W3-Y. 

^bW1-R and W1-Y. 

^cThe unclassified groups, WJG groups 1 and 2, are defined in Fig. 6.