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Table 2 The physical-chemical parameters of the waters: pH, Eh, salinity and ions content in lakes (2008 and 2009)

From: The role of environmental factors for the composition of microbial communities of saline lakes in the Novosibirsk region (Russia)

Water type Year Chloride Chloride-sulfate
Lake N 41 42 45 46 43 44 47 48 49 50 51
Parameter Error
pH ±0.05 2008 7.9 7.5 7.7 8.7 8.0 8.0 7.9 8.0 8.0 7.7 8.0
2009 8.1 7.7 7.7 8.7 7.9 8.3 9.2 8.0 n.d. n.d. 8.0
Eh (mV) ±20 mV 2008 360 280 n.d. 320 100 320 260 290 290 270 310
2009 340 130 330 380 170 420 320 320 n.d. n.d. 120
Salinity (g L−1) ±10 % 2008 150 290 210 12 4.3 74 240 230 230 250 230
2009 170 280 290 16 4.3 43 99 190 n.d. n.d. 130
Cl (g L−1) ±5 % 2008 80 140 110 5.6 1.2 31 96 71 84 100 82
2009 100 170 140 7.5 0.6 25 64 96 n.d. n.d. 52
SO4 2−(g L−1) ±10 % 2008 19 40 30 1.5 1.2 20 65 82 66 68 80
2009 9.9 39 30 1.9 2.1 3.6 4.5 37 n.d. n.d. 36
NO3 (mg L−1) ±30 % 2008 130 380 330 31 4.0 86 330 380 380 610 460
2009 990 1500 1500 2.2 1.8 170 730 1100 n.d. n.d. 580
НCO3 (mg L−1) ±30 % 2008 450 290 260 500 340 150 360 320 330 460 400
2009 480 340 530 800 380 350 150 580 n.d. n.d. 600
Na+ (g L−1) ±10 % 2008 39 8.0 59 4.0 1.1 19 6.0 63 65 63 60
2009 37 55 79 3.8 0.9 11 24 43 n.d. n.d. 3.0
K+ (mg L−1) ±30 % 2008 150 270 200 96 8.4 100 150 140 130 220 220
2009 160 330 220 120 13 76 350 160 n.d. n.d. 160
Mg2+ (g L−1) ±10 % 2008 11 20 10 1.0 0.3 4.0 11 14 14 17 11
2009 10 13 11 0.9 0.3 2.5 4.5 11 n.d. n.d. 5.8
Ca2+ (mg L−1) ±30 % 2008 440 300 230 32 110 350 67 390 220 250 330
2009 613 500 630 45 98 350 1600 530 n.d. n.d. 660
Mg/Na-ratio - 2008 0.28 0.22 0.17 0.25 0.23 0.21 0.16 0.22 0.22 0.27 0.18
2009 0.27 0.22 0.15 0.23 0.28 0.22 0.19 0.25 n.d. n.d. 0.16