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Table 1 Chemical data obtained in the samples of sediment and water of the acidic stream of Parys Mt. Values represent means ± SEM

From: Archaea dominate the microbial community in an ecosystem with low-to-moderate temperature and extreme acidity

Parameter Unit Sediment Water
Electroconductivity (mS/cm) 7.41 ± 0.66 10.26 ± 0.09
pH   2.75 ± 0.14 1.90 ± 0.05
Redox (mV) 272 ± 38 577
Total Al (mg/kg) 12,375 ± 2092 < 1
Total S (mg/kg) 1932 ± 543 80,754 ± 2260
Total K (mg/kg) 8966 ± 1146 204 ± 33
Total Ca (mg/kg) 574 ± 189 1112 ± 38
Total Ti (mg/kg) 1642 ± 151 < 1
Total V (mg/kg) 245 ± 34 < 1
Total Cr (mg/kg) 309 ± 71 660 ± 74
Total Mn (mg/kg) 191 ± 58 < 1
Total Fe (g/kg) 66.7 ± 10.6 216.5 ± 5.2
Total Ni (mg/kg) 11 ± 1 < 1
Total Cu (mg/kg) 495 ± 108 8477 ± 213
Total Zn (mg/kg) 632 ± 102 10,041 ± 294
Total As (mg/kg) 828 ± 51 244 ± 23
Total Sr (mg/kg) 38 ± 5 51 ± 2
Total Pb (mg/kg) 4122 ± 1111 1491 ± 129
Stone content (%) 5.4 ± 2.2  
Dry bulk density (g/cm3) 0.87 ± 0.16  
Water filled porosity (%) 58.7 ± 0.9  
Air filled porosity (%) 8.58 ± 5.47  
Total C (%) 2.8  
Total N (%) 0.30  
C:N ratio   9.9