| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Northern Sweden (SWE) | 12.58 | 20 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 11.11 | 90 |
| Labrador, Canada (LAB) | 6.90 | 20 |
| Abisko, Sweden (ABK) | 2.72 | 21 |
| Pechora River, Russia (PEC) | 2.38 | 1 |
| Lena River, Russia (LEN) | 1.20 | 2 |
| Northern Quebec (QUE) | 1.20 | 15 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 0.99 | 2 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 0.31 | 2 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 4.16 | 14.15 | 0.12 | 18 |
| ALK (mekv/L) | 0.07 | 0.23 | 0.00 | 18 |
| Ca (meq/L) | 0.07 | 0.26 | 0.01 | 34 |
| Ca (mg/L) | 1.08 | 5.20 | 0.00 | 22 |
| CHLa-C (ug/L) | 0.60 | 1.10 | 0.10 | 2 |
| CHLa-U (ug/L) | 1.05 | 1.30 | 0.80 | 2 |
| Cl (mg/L) | 0.82 | 2.87 | 0.00 | 22 |
| Cl (meq/L) | 0.03 | 0.08 | 0.01 | 34 |
| COND (uS/cm) | 1.82 | 9.00 | 0.02 | 41 |
| DIC (mg/L) | 0.20 | 0.20 | 0.20 | 2 |
| DIST (km) | 202.50 | 220.00 | 185.00 | 2 |
| DO (mg/L) | 13.23 | 14.00 | 12.30 | 5 |
| DOC (mg/L) | 3.16 | 6.40 | 1.20 | 23 |
| Fe (ug/L) | 10.25 | 10.30 | 10.20 | 2 |
| K (meq/L) | 0.01 | 0.02 | 0.00 | 34 |
| K (mg/L) | 0.27 | 0.90 | 0.00 | 22 |
| Mg (mg/L) | 0.20 | 0.57 | 0.00 | 20 |
| Mg (meq/L) | 0.03 | 0.07 | 0.01 | 34 |
| Mn (ug/L) | 0.10 | 0.10 | 0.10 | 2 |
| Na (meq/L) | 0.04 | 0.07 | 0.01 | 34 |
| Na (mg/L) | 0.64 | 1.52 | 0.00 | 22 |
| NH3 (ug/L) | 3.00 | 5.00 | 1.00 | 2 |
| NO2 (ug/L) | 2.00 | 3.00 | 1.00 | 2 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 2 |
| pH | 6.50 | 8.60 | 5.30 | 46 |
| PN (ug/L) | 79.00 | 102.00 | 56.00 | 2 |
| POC (ug/L) | 381.00 | 387.00 | 375.00 | 2 |
| POC:PN | 5.25 | 6.70 | 3.79 | 2 |
| Si (mg/L) | 0.58 | 2.22 | 0.03 | 21 |
| SiO2 (mg/L) | 0.18 | 0.19 | 0.18 | 2 |
| SO4 (mg/L) | 1.10 | 3.07 | 0.00 | 22 |
| SO4 (meq/L) | 0.03 | 0.07 | 0.01 | 34 |
| SRP-U (ug/L) | 0.50 | 0.50 | 0.50 | 2 |
| TEMP (°C) | 11.53 | 16.70 | 4.80 | 35 |
| TKN-U (ug/L) | 133.50 | 141.00 | 126.00 | 2 |
| TN (ug/L) | 225.50 | 240.00 | 211.00 | 2 |
| TN:TP | 58.74 | 70.59 | 46.89 | 2 |
| TOC (mg/L) | 3.58 | 10.20 | 0.90 | 34 |
| TP-F (ug/L) | 5.45 | 8.70 | 2.20 | 2 |
| TP-U (ug/L) | 3.95 | 4.50 | 3.40 | 2 |
| ZOOPL (ug/L) | 1140.03 | 1728.61 | 551.46 | 2 |