Table 1
Statistically significant (p < 0.05) Spearman correlation coefficients for environmental variables in Lake Sakadaš during the spring and summer colonization period. Abbreviations: DWL − Danube water level, D − lake depth, SD − Secchi depth (water transparency), WT − water temperature, DO − dissolved oxygen, COND − conductivity, NH4+ − ammonium, NO3– − nitrates, NO2– − nitrites, TN − total nitrogen, TP − total phosphorus, Chl a − chlorophyll a in water, TSS − total suspended solids, PIM − particulate inorganic matter, POM − particulate organic matter.
| SPRING | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DWL | D | SD | WT | DO | pH | COND | NH4+ | NO2– | TN | Chl a | TSS | PIM | POM | ||
| DWL | –0.69 | ||||||||||||||
| D | 0.60 | ||||||||||||||
| SD | 0.60 | –0.64 | –0.63 | ||||||||||||
| WT | –0.57 | ||||||||||||||
| DO | –0.57 | 0.63 | |||||||||||||
| pH | 0.63 | ||||||||||||||
| COND | –0.69 | –0.63 | –0.57 | ||||||||||||
| NH4+ | 0.60 | ||||||||||||||
| NO3– | |||||||||||||||
| NO2– | 0.60 | –0.63 | |||||||||||||
| TN | –0.57 | ||||||||||||||
| TP | |||||||||||||||
| Chl a | –0.64 | 0.58 | |||||||||||||
| TSS | 0.72 | ||||||||||||||
| PIM | –0.63 | ||||||||||||||
| POM | –0.63 | 0.58 | 0.72 | –0.63 | |||||||||||
| SUMMER | |||||||||||||||
| DWL | D | SD | DO | pH | COND | NH4+ | NO3– | NO2– | TN | TP | Chl a | TSS | PIM | POM | |
| DWL | 0.54 | 0.63 | –0.63 | 0.60 | –0.60 | –0.52 | –0.60 | ||||||||
| D | 0.54 | –0.68 | –0.64 | ||||||||||||
| SD | 0.63 | –0.75 | –0.54 | ||||||||||||
| WT | |||||||||||||||
| DO | 0.80 | 0.68 | |||||||||||||
| pH | 0.80 | 0.53 | |||||||||||||
| COND | –0.63 | –0.60 | 0.84 | ||||||||||||
| NH4+ | 0.51 | ||||||||||||||
| NO3– | –0.52 | ||||||||||||||
| NO2– | 0.60 | 0.68 | 0.53 | –0.60 | |||||||||||
| TN | –0.60 | 0.65 | |||||||||||||
| TP | –0.52 | 0.84 | 0.51 | 0.65 | |||||||||||
| Chl a | –0.68 | 0.71 | 0.84 | ||||||||||||
| TSS | –0.60 | –0.64 | –0.75 | 0.71 | 0.52 | ||||||||||
| PIM | –0.54 | ||||||||||||||
| POM | –0.52 | 0.84 | 0.52 | ||||||||||||
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