Table 2 Degrees of overlapping between the reference sites and the impaired sites in terms of the candidate metrics.
Serial no | Biological parameter | IQ value | Serial no | Biological parameter | IQ value |
|---|---|---|---|---|---|
M1 | Total taxa | 3 | M13 | Trichoptera (%) | 3 |
M2 | EPT taxa | 3 | M14 | Diptera (%) | 1 |
M3 | Crustacean + Mollusca taxa | 0 | M17 | Shannon–Weiner diversity index | 3 |
M4 | Ephemerida taxa | 3 | M18 | Intolerant taxa (PTV ≤ 3) | 3 |
M6 | Trichoptera taxa | 3 | M19 | Tolerant taxa (PTV ≥ 7) | 0 |
M7 | Diptera taxa | 2 | M20 | Dominant species (%) | 3 |
M8 | Chironomidea taxa | 1 | M21 | Top three dominant species (%) | 2 |
M9 | EPT (%) | 3 | M23 | Herbivores (%) | 1 |
M11 | Ephemerida (%) | 3 | M24 | Filterers (%) | 3 |
