Archaeal Community Structures in the Solfataric Acidic Hot Springs with Different Temperatures and Elemental Compositions

Table 1

Characteristics of sampling sites and ponds.

	Pond-A		Pond-B		Pond-C		Pond-D
Temp (°C)	93		66		88		67
pH	2.6		2.0		2.4		2.3
Concentration (mg L^−1)/composition (%)
Fe	388.9	23	1149	51	9.630	5	27.18	8
S	663.2	40	702.8	31	59.76	30	61.90	18
Al	433.6	26	287.9	13	14.57	7	2.021	1
Mg	86.74	5	46.77	2	0.001	0	43.35	13
Si	47.88	3	45.52	2	103.9	53	148.4	44
Ca	54.81	3	10.88	0	7.498	4	39.26	12
P	2.850	0	4.711	0	1.265	1	1.266	0
Na	0.001	0	0.001	0	0.001	0	8.442	2
K	0.001	0	0.001	0	0.001	0	7.384	2
As	1.079	0	1.137	0	0.879	0	0.856	0
Total	1679	100	2248	100	197.5	100	340.1	100
Latitude (N)	31°54′37.7′′		31°54′52.4′′		31°55′05.0′′		31°55′04.5′′
Longitude (E)	130°49′00.6′′		130°48′50.3′′		130°48′41.1′′		130°48′41.0′′
Altitude (m)	759		842		884		885
Color of sediments	Light brown		Light brown		Gray		Gray

Detection limit is 0.001 mg L⁻¹.