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. 2018 Jan 30;25(10):10102–10114. doi: 10.1007/s11356-018-1212-2

Table 2.

Spearman rank correlation coefficients. Bolded values are statistically significant

Site Feature Q Total coliforms Total E. coli Fecal coliforms Mes. bact.. Psychr bact. T pH TDS NH4+ NO3 NO2 PO43−
TNP (No 1) Q 1.00 0.18 0.38 0.43 − 0.22 0.03 0.60 − 0.44 − 0.62 − 0.41 − 0.70 − 0.14 − 0.24
Total coliforms 1.00 0.63 0.50 0.26 0.30 0.35 − 0.27 − 0.32 0.05 − 0.22 0.24 0.06
Total E. coli 1.00 0.49 0.12 0.03 0.42 − 0.55 − 0.45 − 0.02 − 0.36 0.03 − 0.11
Fecal coliforms 1.00 0.14 0.16 0.20 − 0.43 − 0.30 − 0.26 − 0.36 0.17 − 0.09
Mesophilic bacteria 1.00 0.27 0.01 −0.12 0.13 −0.11 0.16 0.01 0.09
Psychrophilic bacteria 1.00 0.13 0.22 0.09 0.18 0.24 0.36 0.43
T 1.00 − 0.42 − 0.64 − 0.45 − 0.68 − 0.21 − 0.27
pH 1.00 0.65 0.53 0.48 0.19 0.52
TDS 1.00 0.37 0.80 0.08 0.58
NH4+ 1.00 0.47 0.56 0.39
NO3 1.00 0.28 0.50
NO2 1.00 0.13
PO43− 1.00
Before STP (No 2) Q 1.00 0.08 0.15 0.39 − 0.02 0.36 0.67 − 0.12 − 0.54 − 0.13 − 0.42 0.07 − 0.20
Total coliforms 1.00 0.55 0.55 0.09 0.13 − 0.06 0.05 0.26 0.29 0.28 − 0.19 − 0.24
Total E. coli 1.00 0.52 0.32 0.43 0.08 0.08 0.18 0.05 0.15 − 0.06 − 0.21
Fecal coliforms 1.00 0.11 0.37 0.18 0.00 0.02 0.12 0.03 0.00 − 0.13
Mesophilic bacteria 1.00 0.51 − 0.02 − 0.34 − 0.12 − 0.21 0.11 0.19 0.10
Psychrophilic bacteria 1.00 0.33 − 0.07 − 0.08 0.01 − 0.13 − 0.07 − 0.06
T 1.00 0.07 − 0.47 − 0.24 − 0.67 − 0.05 − 0.18
pH 1.00 0.35 0.05 − 0.20 − 0.43 − 0.15
TDS 1.00 0.38 0.66 − 0.17 0.17
NH4+ 1.00 0.17 0.08 0.04
NO3 1.00 0.04 0.33
NO2 1.00 − 0.03
PO43− 1.00
Intake (No 3) Q 1.00 0.25 0.20 0.07 − 0.27 0.21 0.68 − 0.09 − 0.65 − 0.12 − 0.40 − 0.07 − 0.28
Total coliforms 1.00 0.63 0.66 0.28 0.36 0.14 − 0.42 − 0.31 0.15 0.12 0.15 0.24
Total E. coli 1.00 0.72 0.28 0.24 0.11 − 0.42 − 0.27 0.01 0.10 0.07 0.35
Fecal coliforms 1.00 0.40 0.42 − 0.04 − 0.31 − 0.09 0.04 0.40 0.11 0.51
Mesophilic bacteria 1.00 0.38 − 0.26 − 0.20 0.11 − 0.05 0.58 0.29 0.32
Psychrophilic bacteria 1.00 0.00 − 0.07 − 0.07 0.25 0.33 0.28 0.29
T 1.00 − 0.07 − 0.73 − 0.30 − 0.55 − 0.10 − 0.44
pH 1.00 0.41 0.36 0.10 0.07 − 0.09
TDS 1.00 0.43 0.50 − 0.19 0.31
NH4+ 1.00 0.27 0.24 0.12
NO3 1.00 − 0.02 0.57
NO2 1.00 − 0.03
PO43− 1.00
Trybsz (No 4) Q 1.00 0.28 0.19 0.23 0.27 0.38 0.60 − 0.15 − 0.67 − 0.28 − 0.43 0.09 − 0.51
Total coliforms 1.00 0.73 0.86 0.04 0.57 − 0.03 − 0.11 − 0.11 0.22 0.03 0.12 0.07
Total E. coli 1.00 0.66 0.21 0.66 0.04 − 0.26 − 0.05 0.07 − 0.08 0.19 0.15
Fecal coliforms 1.00 − 0.04 0.51 − 0.01 − 0.10 − 0.16 0.19 − 0.07 0.08 0.07
Mesophilic bacteria 1.00 0.49 0.23 − 0.40 − 0.31 − 0.21 − 0.15 0.15 − 0.08
Psychrophilic bacteria 1.00 0.21 − 0.17 − 0.20 − 0.03 − 0.07 0.31 − 0.07
T 1.00 − 0.02 − 0.68 − 0.60 − 0.63 − 0.11 − 0.56
pH 1.00 0.32 0.38 − 0.08 0.12 − 0.16
TDS 1.00 0.67 0.55 0.20 0.49
NH4+ 1.00 0.37 0.52 0.35
NO3 1.00 0.10 0.46
NO2 1.00 − 0.05
PO43− 1.00