Table 3
The effects of type of winter (CW vs. MW), type of lake (PDL vs. MDL), and the effect of the interaction between them on physical, chemical and biological parameters in the studied lakes (F-test, GML model). Abbreviations: CW − cold winter, MW − mild winter, PDL − phytoplankton dominated lakes, MDL macrophyte dominated lakes, Chl-a − the concentration of chlorophyll a, TB − total phytoplankton biomass, H' − phytoplankton Shannon-Wiener diversity index, J − Pielou's evenness index, SAV − submerged aquatic vegetation.
| Parameter | Type of winter | Type of lake | Type of winter × Type of lake |
|---|---|---|---|
| DIN | 115.51*** | 1.78 | 0.04 |
| TN | 67.21*** | 11.05** | 0.12 |
| P-PO4 | 13.07*** | 1.77 | 1.69 |
| TP | 27.86*** | 0.83 | 0.01 |
| TN:TP | 92.92*** | 0.26 | 0.88 |
| SD | 1.27 | 188.43*** | 0.82 |
| Kd | 4.77* | 70.01*** | 0.11 |
| Chl-a | 4.31* | 125.87*** | 0.99 |
| TB | 4.13* | 95.71*** | 0.45 |
| Cyanobacteria | 0.43 | 20.06*** | 0.01 |
| Cryptophyceae | 9.11** | 35.35*** | 0.01 |
| Chlorophyta | 0.96 | 34.28*** | 0.57 |
| Species richness | 20.61*** | 43.07*** | 0.4 |
| H' | 9.52** | 5.34* | 2.61 |
| J | 6.15* | 0.98 | 2.70 |
| SAV | 7.13** | 140.71*** | 4.42* |
| Ceratophyllum demersum | 0.17 | 143.72*** | 3.59 |
| Myriophyllum spicatum | 18.89*** | 235.33*** | 16.41*** |
| Stratiotes aloides | 21.87*** | 497.61*** | 20.98*** |
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