Table 1.
Main morphological and trophic characteristics (based on P concentrations) of the studied lakes. Eu = Eutrophic, Meso = Mesotrophic, Oligo = Oligotrophic, AO = Artificially Oxygenated.
| Lake | Lake group | Surface area [km 2 ] | Water residence time [yr] |
Mean depth
[m] |
Maximum depth [m] | Trophic characteristics |
|---|---|---|---|---|---|---|
| Brienz (BRI) | Pristine-alpine | 29.8 | 2.69 | 168 | 260 | Oligo |
| Lucerne (LUC) | 111 | 3.5 | 107 | 214 | Oligo | |
| Sarnen (SAR) | 7.15 | 0.76 | 34 | 52 | Oligo | |
| Walen (WAL) | 24.1 | 1.45 | 104 | 145 | Oligo | |
| Baldegg (BAL) | Agriculture-influenced | 5.22 | 4.22 | 33 | 66 | Eu, AO |
| Hallwil (HAL) | 9.95 | 3.85 | 29 | 45 | Meso, AO | |
| Sempach (SEM) | 14.1 | 17.5 | 46 | 86 | Meso | |
| Zug (ZUG) | 38.3 | 15.1 | 84 | 197 | Eu | |
| Constance (CON) | Large-deep | 482 | 4.35 | 99 | 254 | Oligo |
| Geneva (GEN) | 582 | 11.4 | 153 | 310 | Meso | |
| Maggiore (MAG) | 212 | 4.1 | 177 | 372 | Oligo-meso | |
| Neuchâtel (NEU) | 213 | 8.25 | 64 | 153 | Oligo-meso |