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Table 2
Biological, physical and chemical parameters in vertical water column of studied lakes (epi = epilimnion, meta = metalimnion, hypo = hypolimnion; chl-a = chlorophyll-a, GB = G. semen biomass, zoo = total zooplankton biomass, BA = bacterial abundance, C = water colour).
| Suchar I | Suchar II | Wądołek | Widne | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| epi | meta | hypo | epi | meta | hypo | epi | meta | hypo | epi | meta | |
| GB [mg dm−3] | 0.08 | 4.08±1.5 | 7.39 | 3.90±1.1 | 0.70±0.2 | 0.22±0.1 | 1.47 | 1.69±0.6 | 0.47±0.4 | 0.09 | 0.12 ±0.11 |
| chl-a [μg dm−3] | 6.5 | 241.2±165 | 470.9 | 47.4±19.6 | 63.1±53.3 | 71.6±50.5 | 39.1 | 153.5±54.5 | 50.5 | 13.4±2.8 | 134.8 |
| zoo [mg dm−3] | 0.71 | 0.52 | 0.31 | 1.32 | 0.45 | 0.05 | 2.62 | 2.44 | 0.18 | 0.82 | 0.37 |
| BA [106 cells ml−1] | 2.61 | 3.82±1.2 | 7.83 | 3.32 | 1.27±3.5 | 2.73±1.0 | 4.65 | 8.15±8.1 | 6.52±4.1 | 2.64 ±1.4 | 7.18 |
| pH | 7.8 | 6.2–7.1 | 6.0 | 6.7–8.1 | 5.9–6.2 | 6.1–6.2 | 6.1 | 5.8–5.9 | 5.8–5.9 | 6.9–7.2 | 6.3 |
| EC [μS cm−1] | 24.1 | 29.2±8.8 | 39.7 | 27.9±9.5 | 24.0±2.3 | 31.2±0.6 | 54.2 | 32.8±3.7 | 40.5±10.3 | 64.6±47.9 | 41.3 |
| DOC [mg dm−3] | 9.9 | 10.3±0.5 | 11.3 | 7.7±0.9 | 6.8±0.1 | 7.4±0.3 | 16.4 | 13.3±0.3 | 13.3±0.5 | 14.1±6.5 | 9.8 |
| DIC [mg dm−3] | 3.2 | 3.4±0.3 | 4.2 | 3.5±0.1 | 3.3±0.6 | 4.1±0.4 | 3.2 | 3.6±0.2 | 4.1±0.4 | 4.2±0.8 | 4.0 |
| C [mg Pt dm−3] | 87.8 | 85.9±8.4 | 141.5 | 72.5±2.1 | 87.3±10.6 | 117.1±59.8 | 133.0 | 158.8±14.5 | 160.4±10.2 | 43.6±10.3 | 36.2 |
| TP [μg dm−3] | 49.2 | 89.7±5.7 | 98.3 | 331.8±28.0 | 463.5±21.6 | 153.5±74.0 | 52.3 | 64.2±26.1 | 87.8±96.5 | 53.0±30.3 | 111.6 |
| SRP [μg dm−3] | 14.6 | 19.7±4.2 | 40.2 | 27.8±0.5 | 18.1±2.2 | 30.7±3.0 | 34.3 | 8.1±2.9 | 38.7±49.6 | 21.2±9.8 | 16.3 |
| TN [mg dm−3] | 0.761 | 0.823±0.01 | 0.824 | 0.610±0.04 | 0.988±0.183 | 1.5±0.06 | 0.850 | 0.869±0.16 | 1.482±0.92 | 0.764±0.02 | 0.796 |
| NH4-N [μg dm−3] | 228.3 | 170.7±11.2 | 142.7 | 179.1±12.6 | 240.8±43.8 | 263.2±13.4 | 178.1 | 169.4±17.2 | 353.7±266 | 250.3±19.5 | 206.5 |
| NO3-N [μg dm−3] | 49.7 | 75.3±8.7 | 90.5 | 123.2±65.8 | 276.5±334.0 | 93.8±13.2 | 83.5 | 93.6±13.4 | 94.9±11.9 | 40.6±3.5 | 50.7 |
| Ca [mg dm−3] | 9.4 | 9.5±0.1 | 9.5 | 7.3±1.8 | 7.7±0.8 | 8.1±0.6 | 9.2 | 9.1±0.1 | 9.6±0.3 | 12.2±1.4 | 11.7 |
| Mg [mg dm−3] | 0.851 | 0.881±0.04 | 0.668 | 0.456±0.45 | 1.742±0.33 | 2.043±2.54 | 0.790 | 0.972±0.18 | 1.114±0.26 | 1.722±1.30 | 1.337 |
| SO4 [mg dm−3] | 11.1 | 15.2±2.8 | 13.1 | 13.8±2.5 | 14.0±4.2 | 13.5±2.4 | 13.2 | 14.1±0.3 | 14.7±0.5 | 10.9±1.2 | 10.3 |
| Fe [mg dm−3] | 2.32 | 2.67±0.5 | 3.4 | 1.65±0.2 | 1.96 ±0.07 | 2.52±0.35 | 2.12 | 1.74±1.10 | 1.82±1.35 | 1.47±0.88 | 2.32 |
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