Figure 1
Figure 2
Figure 3
Values of physical and chemical water parameters in the spring section of the Czarna Staszowska River from 2014 and the water quality class according to Polish standards compatible with OJ pos_ 1482 from 2014
| Water parameters | Spring | Water Quality |
|---|---|---|
| Temperature (°C) | 10.5 | I |
| pH | 7.6-7.9 | I |
| Conductivity 20°C (µS cm 1) | 405 | I |
| Dissolved oxygen (DO) (mg O2 dm−3) | 10.0 | I |
| BOD5 (mg O2 dm−3) | 1.9 | I |
| N-NH4 (mg dm−3) | 0.23 | I |
| N-NO3 (mg dm−3) | 2.0 | I |
| Total N (mg dm−3) | 2.783 | I |
| P-PO4 (mg dm−3) | 0.1 | I |
| Total P (mg P dm−3) | 0.13 | I |
| Calcium (mg Ca dm−3) | 64 | I |
| Magnesium (mg Mg dm−3) | 10 | I |
| Total hardness (mg CaCO3 dm−3) | 202 | I |
Comparison of morphological features of species similar to Prestauroneis tumida, in chronological order
| Length | Width | Number of striae in 10 μm | Number of areolae in 10 μm | Plate/Figure | |
|---|---|---|---|---|---|
| Hustedt (1930) | 25-50 | 10-16 | - | - | - |
| Cleve-Euler (1953) | 25-50 | 10-16 | 19 | - | Fig. 884 |
| Germain (1981) | 30-35 | 8-10 | 14-17 | - | Plate 83, Fig. 6 |
| Krammer & Lange Bertalot (1986) | 35-100 | 8-23 | 14-18 | - | Fig. 54: 1 |
| Simonsen (1987) | - | - | - | - | Plate 659, Fig. 1, 2 |
| Levkov et al. (2007) | 32-44 | 9-11 | 14-16 | - | Plate 64, Fig. 12 |
| Levkov & Williams (2011) | 22-44 | 9-11 | 14-17 | 45 | Fig. 69-82 |