Figure 1
Figure 2
Value ranges of physical and chemical parameters of the sites with Geissleria gereckei
| Parameters/Sampling sites | Rivers in Serbia | Spring SE Alps (Trentino) | Springs Alpine foothills (Verona Province, Lessinia) | Springs in the south-western Alps | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Raška River | Mlava River | AT0756 | ML0622 | DC1620 | RF1477 | MT1300 | SB1050 | MC1650 | MC1652 | MC1655 | RP1800 | |
| Shading (1-5 scale) | 2 | 1 | 1 | 1 | 4 | 3 | 1 | 1 | 1 | 2 | ||
| Temperature (°C) | 7.5-14 | 9.1-14.6 | 9.4 | 11 | 8.4 | 8.1 | 5.8 | 7 | 4 | 3.4 | 3.2 | 2 |
| pH | 7.02-8.23 | 6.95-7.95 | 7.6 | 7.3 | 8.4 | 7.39 | 8.33 | 8.31 | 8.48 | 8.56 | 8.43 | 8.9 |
| Conductivity (μS cm-1) | 305-420 | 389-490 | 356 | 411 | 200 | 105 | 125 | 175 | 198 | 200 | 201 | 170 |
| Alkalinity (as mg CaCO3 l-1) | 7-120.8 | 12.6-120.6 | 195 | 240 | 25 | 15.2 | 17.7 | 26 | 23 | 23 | 24 | 18.4 |
| N-NH4+ (μg I-1) | <18.9-473.8 | <18.9-355.8 | < 20 | <100 | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 |
| N-NO3- (μg I-1) | 6300-7900 | 6900-9500 | 224 | 3160 | 45 | 147 | 481 | 565 | 361 | 373 | 230 | 319 |
| TP (μg P I-1) | 13.5-104.2 | 8.7-112.8 | 4 | - | - | - | - | - | - | - | - | - |
| SRP (μg P I-1) | 5.2-51.7 | 3.7-46.8 | 2 | - | - | - | - | - | - | - | - | - |
| Cl-(mg l-1) | 1.2-2.2 | 0.9-2 | 1.0 | 8.0 | 0.4 | 0.4 | 0.3 | 0.3 | 0.5 | 0.5 | 0.4 | 0.2 |
| SO42-(mg l-1) | 1.4-3.4 | 5.5-22.4 | 21.0 | 10.0 | - | 1.6 | 1.8 | 4.3 | - | - | - | - |
| % Geissleria gereckei | 0.5-3 | - | <0.2 | 4.5 | 1.0 | 2.3 | 0.2 | 0.5 | 1.0 | 0.8/0.5 | 0.5 | 0.8 |
| Substrate | epil./epib. | epilithon | epilithon | epilithon | epilithon | epilithon | epilithon | epilithon | epilithon | epil./epib. | epilithon | epilithon |