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Table 5
Mean and standard deviations of diatom indices (IPS, TI and ICMi) calculated for the single metric scorings of the HS, through different sampling methods (T = transect and MH = microhabitat). IPS (Specific Polluosensitivity Index); TI (Trophic Index); ICMi (Intercalibration Common Metric Index).
| Metric score: 5 | Metric score: 3 | Metric score: 1 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Metric | Sampling method | IPS | TI | ICMi | IPS | TI | ICMi | IPS | TI | ICMi |
| Month | T | 17.6 ± 1.36 | 1.70 ± 0.41 | 1.04 ± 0.15 | 17.2 ± 1.23 | 1.77 ± 0.37 | 1.03 ± 0.13 | 16.3 ± 1.79 | 1.86 ± 0.46 | 0.99 ± 0.17 |
| MH | 17.1 ± 1.52 | 1.77 ± 0.46 | 1.01 ± 0.16 | 16.9 ± 1.63 | 1.78 ± 0.47 | 1.02 ± 0.17 | 16.1 ± 2.25 | 1.91 ± 0.50 | 0.97 ± 0.19 | |
| Connection | T | 16.9 ± 1.56 | 1.80 ± 0.41 | 1.01 ± 0.15 | – | – | – | – | – | – |
| MH | 16.7 ± 1.87 | 1.83 ± 0.47 | 0.99 ± 0.17 | 16.6 ± 1.63 | 1.88 ± 0.49 | 1.00 ± 0.16 | 16.2 ± 2.37 | 1.78 ± 0.53 | 1.03 ± 0.20 | |
| Velocity | T | 16.8 ± 1.59 | 1.78 ± 0.42 | 1.01 ± 0.16 | 17.1 ± 1.57 | 1.78 ± 0.41 | 1.02 ± 0.15 | 16.6 ± 1.60 | 2.10 ± 0.28 | 0.97 ± 0.12 |
| MH | 16.9 ± 1.64 | 1.82 ± 0.43 | 0.99 ± 0.17 | 17.1 ± 1.53 | 1.79 ± 0.41 | 1.03 ± 0.15 | 16.4 ± 2.09 | 1.84 ± 0.51 | 0.99 ± 0.18 | |
| Depth | T | 17.3 ± 1.68 | 1.99 ± 0.30 | 1.02 ± 0.13 | 16.9 ± 1.67 | 1.79 ± 0.45 | 1.00 ± 0.16 | 16.9 ± 1.43 | 1.78 ± 0.36 | 1.02 ± 0.15 |
| MH | 17.6 ± 1.99 | 1.86 ± 0.49 | 0.99 ± 0.18 | 17.0 ± 1.93 | 1.61 ± 0.42 | 1.05 ± 0.17 | 16.7 ± 1.72 | 1.86 ± 0.48 | 1.00 ± 0.17 | |
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