/
| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Pechora River, Russia (PEC) | 14.20 | 9 |
| Northern Sweden (SWE) | 5.16 | 18 |
| Abisko, Sweden (ABK) | 4.90 | 41 |
| Lena River, Russia (LEN) | 4.20 | 5 |
| Northern Quebec (QUE) | 2.20 | 5 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 2.03 | 15 |
| Labrador, Canada (LAB) | 1.40 | 21 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 0.95 | 6 |
| Bylot Island, Nunavut, Canada. (BYL) | 0.58 | 12 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mekv/L) | 0.05 | 0.20 | 0.00 | 18 |
| ALK (mg/L CaCO3) | 3.33 | 12.51 | 0.12 | 18 |
| Ca (mg/L) | 1.16 | 4.28 | 0.00 | 34 |
| Ca (meq/L) | 0.07 | 0.23 | 0.01 | 57 |
| CHLa-C (ug/L) | 0.64 | 1.50 | 0.10 | 16 |
| CHLa-U (ug/L) | 1.10 | 3.30 | 0.50 | 16 |
| Cl (mg/L) | 0.96 | 3.72 | 0.00 | 34 |
| Cl (meq/L) | 0.03 | 0.08 | 0.01 | 57 |
| COND (uS/cm) | 3.45 | 40.00 | 0.00 | 78 |
| DIC (mg/L) | 0.74 | 4.80 | 0.10 | 16 |
| DIST (km) | 127.67 | 262.50 | -30.00 | 15 |
| DO (mg/L) | 13.43 | 14.00 | 12.30 | 6 |
| DOC (mg/L) | 4.16 | 11.50 | 1.03 | 57 |
| Fe (ug/L) | 53.82 | 210.00 | 7.50 | 16 |
| K (meq/L) | 0.01 | 0.02 | 0.00 | 57 |
| K (mg/L) | 0.42 | 2.08 | 0.00 | 34 |
| Mg (mg/L) | 0.33 | 2.01 | 0.00 | 19 |
| Mg (meq/L) | 0.03 | 0.16 | 0.01 | 57 |
| Mn (ug/L) | 2.00 | 12.00 | 0.10 | 15 |
| Na (mg/L) | 0.70 | 1.52 | 0.00 | 33 |
| Na (meq/L) | 0.07 | 2.22 | 0.01 | 58 |
| NH3 (ug/L) | 8.07 | 12.00 | 1.00 | 15 |
| NH3-F (mg/L) | 0.08 | 0.08 | 0.08 | 1 |
| NO2 (ug/L) | 1.73 | 3.00 | 1.00 | 15 |
| NO2-F (ug/L) | 3.00 | 3.00 | 3.00 | 1 |
| NO2 & NO3-F (mg/L) | 0.01 | 0.01 | 0.01 | 1 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 15 |
| pH | 6.72 | 8.60 | 5.30 | 80 |
| PN (ug/L) | 62.27 | 104.00 | 29.00 | 15 |
| POC (ug/L) | 568.20 | 1080.00 | 354.00 | 15 |
| POC:PN | 9.88 | 18.21 | 3.79 | 15 |
| Si (mg/L) | 0.68 | 2.48 | 0.03 | 41 |
| SiO2 (mg/L) | 0.32 | 1.90 | 0.08 | 16 |
| SO4 (meq/L) | 0.03 | 0.36 | 0.01 | 57 |
| SO4 (mg/L) | 1.15 | 3.07 | 0.00 | 34 |
| SRP-U (ug/L) | 0.63 | 1.30 | 0.40 | 15 |
| TEMP (°C) | 11.29 | 16.70 | 4.80 | 71 |
| TKN-F (ug/L) | 1330.00 | 1330.00 | 1330.00 | 1 |
| TKN-U (ug/L) | 162.67 | 325.00 | 63.00 | 15 |
| TN (ug/L) | 237.67 | 429.00 | 135.00 | 15 |
| TN:TP | 40.27 | 70.59 | 17.53 | 15 |
| TOC (mg/L) | 4.46 | 13.10 | 0.60 | 57 |
| TP-F (ug/L) | 5.17 | 21.30 | 1.80 | 16 |
| TP-U (ug/L) | 8.37 | 37.40 | 3.40 | 16 |
| ZOOPL (ug/L) | 1181.35 | 2085.74 | 367.56 | 14 |
