Table 2. Copy numbers and proportions of rRNA genes of each domain as determined by quantitative PCR.

Sample name	Unit	Eukarya	Bacteria	Archaea
S13	copies/ng-DNA	1.4×103±3.0×102	2.7×105±4.2×104	7.0×103±4.4×103
	%	0.5	97.4	2.5
S14	copies/ng-DNA	7.8×102±1.3×102	8.3×105±3.7×105	2.3×104±1.3×104
	%	0.1	97.3	2.7
N	copies/ng-DNA	1.8×103±1.9×102	1.3×105±6.2×104	2.6×103±9.8×102
	%	1.4	97.9	2.0
K	copies/ng-DNA	8.2×102±3.6×101	9.4×104±1.0×104	2.0×103±8.6×102
	%	0.9	97.9	2.0
M	copies/ng-DNA	3.1×102±1.3×102	4.6×104±7.2×103	4.6×103±2.1×103
	%	0.6	90.6	9.1