Open Access
Table 4
Average chemical and physical variables of water in different habitat types. Significant positive correlations according to Spearman's rank correlation (p < 0.05) are in bold, and negative correlations are underlined.
| riv lo | riv le | flo le | hel | |
|---|---|---|---|---|
| O2 mg L−1 | 7,8 | 7,4 | 4,4 | 5,1 |
| SD | 2,0 | 2,0 | 3,1 | 1,9 |
| pH | 7,4 | 7,2 | 6,4 | 6,7 |
| SD | 0,8 | 0,7 | 1,2 | 1,5 |
| temp. °C | 14,4 | 14,8 | 14,0 | 15,5 |
| SD | 2,8 | 2,8 | 3,2 | 2,4 |
| Conductivity µS cm−1 | 200 | 197 | 195 | 190 |
| SD | 54 | 53 | 87 | 101 |
| NH4 mg L−1 | 0,78 | 0,91 | 1,04 | 0,80 |
| SD | 0,56 | 0,70 | 0,74 | 0,36 |
| NO3 mg L−1 | 1,60 | 1,58 | 1,09 | 0,53 |
| SD | 1,05 | 1,00 | 0,67 | 0,29 |
| PO3 mg L−1 | 0,34 | 0,37 | 0,63 | 0,67 |
| SD | 0,23 | 0,24 | 0,61 | 0,26 |
| Fe mg L−1 | 0,05 | 0,06 | 0,11 | 0,13 |
| SD | 0,05 | 0,06 | 0,13 | 0,07 |
| Turbidity mg L−1 | 21,2 | 22,2 | 44,8 | 13,0 |
| SD | 43,0 | 52,9 | 65,1 | 12,2 |
| Hardness mg L−1 | 176 | 161 | 148 | 158 |
| SD | 75 | 68 | 76 | 73 |
| BOD5 mg L−1 | 5,33 | 5,19 | 3,71 | 2,98 |
| SD | 1,62 | 1,55 | 2,70 | 1,04 |
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