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| Dataset region | Max occur. (%) | N sample |
|---|---|---|
| Abisko, Sweden (ABK) | 20.00 | 54 |
| Northern Sweden (SWE) | 13.02 | 34 |
| Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) | 5.00 | 42 |
| Pechora River, Russia (PEC) | 3.78 | 15 |
| Lena River, Russia (LEN) | 3.18 | 12 |
| Yellowknife area, Northwest Territories, Canada (YEL) | 1.97 | 18 |
| Labrador, Canada (LAB) | 1.80 | 24 |
| Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) | 1.64 | 37 |
| Taimyr Peninsula, Russia (TAI) | 1.58 | 8 |
| Parameter (unit) | Average | Maximum | Minimum | N sample |
|---|---|---|---|---|
| ALK (mg/L CaCO3) | 9.14 | 37.09 | 1.40 | 32 |
| ALK (mekv/L) | 0.15 | 0.61 | 0.02 | 32 |
| Ca (meq/L) | 0.14 | 1.03 | 0.02 | 75 |
| Ca (mg/L) | 1.93 | 13.50 | 0.00 | 52 |
| CHLa-C (ug/L) | 0.56 | 1.40 | 0.10 | 18 |
| CHLa-U (ug/L) | 0.89 | 1.80 | 0.40 | 18 |
| Cl (mg/L) | 0.84 | 4.80 | 0.00 | 52 |
| Cl (meq/L) | 0.03 | 0.08 | 0.01 | 75 |
| COND (uS/cm) | 5.08 | 100.00 | 0.00 | 97 |
| DIC (mg/L) | 1.34 | 12.10 | 0.10 | 18 |
| DIST (km) | 92.64 | 262.50 | -120.00 | 18 |
| DO (mg/L) | 13.34 | 14.00 | 12.30 | 4 |
| DOC (mg/L) | 3.81 | 11.50 | 0.70 | 72 |
| Fe (ug/L) | 54.10 | 210.00 | 10.20 | 18 |
| K (meq/L) | 0.01 | 0.05 | 0.00 | 75 |
| K (mg/L) | 0.37 | 1.95 | 0.00 | 52 |
| Mg (mg/L) | 0.33 | 2.33 | 0.00 | 34 |
| Mg (meq/L) | 0.05 | 0.19 | 0.01 | 75 |
| Mn (ug/L) | 4.11 | 26.00 | 0.10 | 18 |
| Na (meq/L) | 0.04 | 0.07 | 0.01 | 75 |
| Na (mg/L) | 0.65 | 4.66 | 0.00 | 52 |
| NH3 (ug/L) | 6.67 | 12.00 | 1.00 | 18 |
| NO2 (ug/L) | 1.89 | 3.00 | 1.00 | 18 |
| NO3 (ug/L) | 10.00 | 10.00 | 10.00 | 18 |
| pH | 6.99 | 8.80 | 5.80 | 108 |
| PN (ug/L) | 70.94 | 104.00 | 29.00 | 18 |
| POC (ug/L) | 549.28 | 1080.00 | 375.00 | 18 |
| POC:PN | 8.59 | 18.21 | 3.79 | 18 |
| Si (mg/L) | 0.86 | 3.06 | 0.04 | 54 |
| SiO2 (mg/L) | 0.26 | 0.61 | 0.08 | 18 |
| SO4 (mg/L) | 1.09 | 3.46 | 0.00 | 52 |
| SO4 (meq/L) | 0.05 | 0.28 | 0.01 | 75 |
| SRP-U (ug/L) | 0.64 | 1.30 | 0.40 | 18 |
| TEMP (°C) | 11.10 | 17.50 | 2.40 | 94 |
| TKN-U (ug/L) | 172.83 | 352.00 | 32.00 | 18 |
| TN (ug/L) | 256.67 | 429.00 | 135.00 | 18 |
| TN:TP | 42.29 | 70.59 | 17.53 | 18 |
| TOC (mg/L) | 3.92 | 13.10 | 0.30 | 75 |
| TP-F (ug/L) | 4.07 | 9.00 | 1.80 | 18 |
| TP-U (ug/L) | 6.64 | 12.70 | 3.40 | 18 |
| ZOOPL (ug/L) | 1231.69 | 2120.75 | 367.56 | 17 |
