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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Northern Quebec (QUE) | 15.20 | 30 |
| Labrador, Canada (LAB) | 9.20 | 35 |
| Abisko, Sweden (ABK) | 6.39 | 39 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 4.13 | 9 |
| Pechora River, Russia (PEC) | 3.83 | 3 |
| Northern Sweden (SWE) | 3.46 | 21 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 1.95 | 22 |
| Southampton Island, Nunavut, Canada (SI) | 1.74 | 34 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 0.33 | 1 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ag (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| Al (ug/L) | 65.10 | 65.10 | 65.10 | 1 |
| ALK (mekv/L) | 0.07 | 0.45 | 0.00 | 21 |
| ALK (mg/L CaCO3) | 4.33 | 27.27 | 0.12 | 21 |
| As (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| B (ug/L) | 0.70 | 0.70 | 0.70 | 1 |
| Ba (ug/L) | 1.72 | 1.72 | 1.72 | 1 |
| Be (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Bi (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Ca (meq/L) | 0.06 | 0.47 | 0.01 | 50 |
| Ca (mg/L) | 1.23 | 11.30 | 0.00 | 31 |
| Cd (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| CHLa-C (ug/L) | 0.62 | 1.40 | 0.20 | 9 |
| CHLa-U (ug/L) | 1.01 | 1.80 | 0.60 | 9 |
| Cl (mg/L) | 1.35 | 20.50 | 0.00 | 31 |
| Cl (meq/L) | 0.03 | 0.08 | 0.01 | 50 |
| Co (ug/L) | 0.07 | 0.07 | 0.07 | 1 |
| COND (uS/cm) | 2.40 | 10.00 | 0.00 | 61 |
| Cr (ug/L) | 0.20 | 0.20 | 0.20 | 1 |
| Cu (ug/L) | 0.48 | 0.48 | 0.48 | 1 |
| DIC (mg/L) | 0.44 | 1.80 | 0.10 | 10 |
| DIST (km) | 159.44 | 242.50 | 12.50 | 9 |
| DO (mg/L) | 13.85 | 14.00 | 13.70 | 2 |
| DOC (mg/L) | 3.53 | 11.50 | 1.10 | 49 |
| Fe (ug/L) | 30.21 | 87.40 | 7.50 | 10 |
| Ga (ug/L) | 0.02 | 0.02 | 0.02 | 1 |
| K (meq/L) | 0.01 | 0.04 | 0.00 | 50 |
| K (mg/L) | 0.28 | 1.37 | 0.00 | 31 |
| La (ug/L) | 0.31 | 0.31 | 0.31 | 1 |
| Li (ug/L) | 0.20 | 0.20 | 0.20 | 1 |
| Mg (meq/L) | 0.03 | 0.07 | 0.01 | 50 |
| Mg (mg/L) | 0.15 | 0.70 | 0.00 | 22 |
| Mn (ug/L) | 0.91 | 4.00 | 0.10 | 10 |
| Mo (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| Na (mg/L) | 0.47 | 1.52 | 0.00 | 31 |
| Na (meq/L) | 0.03 | 0.07 | 0.01 | 50 |
| NH3 (ug/L) | 6.33 | 11.00 | 1.00 | 9 |
| NH3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| Ni (ug/L) | 0.54 | 0.54 | 0.54 | 1 |
| NO2 (ug/L) | 1.70 | 3.00 | 0.00 | 10 |
| NO2 & NO3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 9 |
| Pb (ug/L) | 0.04 | 0.04 | 0.04 | 1 |
| pH | 6.57 | 8.20 | 5.30 | 71 |
| PN (ug/L) | 65.11 | 104.00 | 29.00 | 9 |
| POC (ug/L) | 497.89 | 580.00 | 354.00 | 9 |
| POC:PN | 9.04 | 18.21 | 4.94 | 9 |
| Rb (ug/L) | 0.42 | 0.42 | 0.42 | 1 |
| Sb (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| Se (ug/L) | 0.05 | 0.05 | 0.05 | 1 |
| Si (mg/L) | 0.64 | 1.64 | 0.01 | 39 |
| SiO2 (mg/L) | 0.96 | 7.45 | 0.10 | 10 |
| SO4 (meq/L) | 0.03 | 0.08 | 0.01 | 50 |
| SO4 (mg/L) | 0.93 | 3.46 | 0.00 | 31 |
| Sr (ug/L) | 1.77 | 1.77 | 1.77 | 1 |
| SRP-U (ug/L) | 0.51 | 1.30 | 0.00 | 10 |
| TEMP (°C) | 10.84 | 16.70 | 3.64 | 59 |
| TKN-U (ug/L) | 115.41 | 173.00 | 0.11 | 10 |
| Tl (ug/L) | 0.00 | 0.00 | 0.00 | 1 |
| TN (ug/L) | 206.22 | 266.00 | 147.00 | 9 |
| TN:TP | 40.45 | 55.50 | 29.82 | 9 |
| TN-U (mg/L) | 0.19 | 0.19 | 0.19 | 1 |
| TOC (mg/L) | 4.19 | 13.10 | 0.60 | 50 |
| TP-F (ug/L) | 4.35 | 9.20 | 0.00 | 10 |
| TP-U (ug/L) | 4.68 | 6.70 | 0.00 | 10 |
| U (ug/L) | 0.01 | 0.01 | 0.01 | 1 |
| V (ug/L) | 0.17 | 0.17 | 0.17 | 1 |
| Zn (ug/L) | 0.83 | 0.83 | 0.83 | 1 |
| ZOOPL (ug/L) | 1071.17 | 2067.36 | 367.56 | 9 |
