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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 10.87 | 161 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 8.22 | 9 |
| Abisko, Sweden (ABK) | 4.99 | 25 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 4.66 | 13 |
| Lena River, Russia (LEN) | 4.52 | 8 |
| Labrador, Canada (LAB) | 4.40 | 28 |
| Northern Quebec (QUE) | 3.00 | 19 |
| Taimyr Peninsula, Russia (TAI) | 1.89 | 4 |
| Pechora River, Russia (PEC) | 1.66 | 4 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| Ca (meq/L) | 0.09 | 0.39 | 0.01 | 25 |
| Ca (mg/L) | 1.23 | 5.10 | 0.50 | 13 |
| CHLa-C (ug/L) | 0.50 | 1.40 | 0.10 | 13 |
| CHLa-U (ug/L) | 0.89 | 1.80 | 0.40 | 13 |
| Cl (mg/L) | 0.66 | 0.80 | 0.50 | 13 |
| Cl (meq/L) | 0.02 | 0.05 | 0.01 | 25 |
| COND (uS/cm) | 4.34 | 30.00 | 0.00 | 43 |
| DIC (mg/L) | 0.66 | 3.50 | 0.10 | 13 |
| DIST (km) | 133.08 | 262.50 | -55.00 | 13 |
| DO (mg/L) | 13.23 | 14.00 | 12.30 | 5 |
| DOC (mg/L) | 2.63 | 8.40 | 0.20 | 38 |
| Fe (ug/L) | 26.08 | 53.10 | 10.20 | 13 |
| K (meq/L) | 0.01 | 0.01 | 0.00 | 25 |
| K (mg/L) | 0.41 | 0.68 | 0.30 | 13 |
| Mg (meq/L) | 0.03 | 0.10 | 0.01 | 25 |
| Mn (ug/L) | 2.46 | 26.00 | 0.10 | 13 |
| Na (meq/L) | 0.03 | 0.06 | 0.02 | 25 |
| Na (mg/L) | 0.51 | 0.81 | 0.38 | 13 |
| NH3 (ug/L) | 6.92 | 12.00 | 1.00 | 13 |
| NO2 (ug/L) | 1.85 | 3.00 | 1.00 | 13 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 13 |
| pH | 7.08 | 8.70 | 5.92 | 43 |
| PN (ug/L) | 66.77 | 104.00 | 29.00 | 13 |
| POC (ug/L) | 502.62 | 598.00 | 375.00 | 13 |
| POC:PN | 8.73 | 18.21 | 3.79 | 13 |
| Si (mg/L) | 0.60 | 1.54 | 0.01 | 25 |
| SiO2 (mg/L) | 0.27 | 0.64 | 0.08 | 13 |
| SO4 (meq/L) | 0.04 | 0.22 | 0.02 | 25 |
| SO4 (mg/L) | 0.85 | 1.50 | 0.30 | 13 |
| SRP-U (ug/L) | 0.58 | 1.30 | 0.40 | 13 |
| TEMP (°C) | 9.42 | 17.50 | 2.40 | 40 |
| TKN-U (ug/L) | 130.62 | 203.00 | 32.00 | 13 |
| TN (ug/L) | 210.23 | 267.00 | 135.00 | 13 |
| TN:TP | 39.22 | 70.59 | 17.53 | 13 |
| TOC (mg/L) | 2.73 | 9.60 | 0.70 | 25 |
| TP-F (ug/L) | 3.84 | 9.00 | 1.80 | 13 |
| TP-U (ug/L) | 5.93 | 9.70 | 3.40 | 13 |
| ZOOPL (ug/L) | 1214.60 | 2067.36 | 367.56 | 12 |
