Table 3
Tolerance (Tol) and optimum (Opt) values for the nine most common species against the variables measured from each sampling site. Abbreviations: Count (numbers of species occurrence), Max (maximum numbers of individuals), N2 (Hill’s coefficient or measure of effective number of occurrences), dissolved oxygen (DO, mg l-1), electrical conductivity (EC, μS cm-1), water temperature (Tw, °C), redox potential (ORP), elevation (Elev), sodium (Na2+, ppm) in water, magnesium (Mg2+, ppm) in water, calcium (Ca2+, ppm) in water, fluoride (F−, ppm) in water, chloride (Cl−, ppm) in water, total phosphate (T.PO43−, ppm) in sediment.
| Name | Count | Max | N2 | pH Opt | Tol | DO Opt | Tol | EC Opt | Tol | Tw Opt | Tol | ORP Opt | Tol | Elev Opt | Tol |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Neglecandona neglecta | 4 | 9 | 2.4 | 7.3 | 0.8 | 7.3 | 1.1 | 238.61 | 561.55 | 11.3 | 3.6 | 369.72 | 570.55 | 1690.12 | 919.3 |
| Heterocypris incongruens | 15 | 225 | 4.7 | 8.1 | 0.3 | 8.3 | 1.8 | 540.86 | 510.08 | 12.9 | 1.3 | 344.22 | 316.56 | 1512.46 | 384.27 |
| H. salina | 11 | 190 | 4.3 | 8.1 | 0.3 | 7.7 | 0.8 | 2236.4 | 2152.9 | 15.5 | 2.5 | 359.87 | 31.19 | 792 | 430.01 |
| Ilyocypris bradyi | 18 | 135 | 3.4 | 8.0 | 0.3 | 8.1 | 1.3 | 1948.2 | 1265.5 | 13.1 | 1.9 | 361.32 | 637.8 | 1250.02 | 360.28 |
| Potamocypris fallax | 12 | 115 | 4.0 | 8.2 | 0.4 | 8.8 | 0.7 | 955.22 | 395.77 | 10.9 | 1.1 | 351.26 | 142.73 | 1364.8 | 265.69 |
| P. fulva | 6 | 58 | 2.6 | 8.3 | 0.2 | 8.9 | 2.7 | 491.65 | 405.13 | 11.8 | 3.7 | 351.99 | 135.38 | 1250.78 | 863.19 |
| P. villosa | 18 | 370 | 5.3 | 8.3 | 1 | 9.5 | 3.3 | 399.02 | 302.21 | 14 | 3.8 | 341.44 | 217.32 | 1468.9 | 543.7 |
| Psychrodromus fontinalis | 16 | 18 | 6.4 | 8.1 | 0.3 | 9 | 2.6 | 1208.7 | 1870.2 | 12.5 | 4.3 | 361.25 | 219.59 | 1249.12 | 732.83 |
| P. olivaceus | 12 | 49 | 2.5 | 8.4 | 0.3 | 8.4 | 1.4 | 857.31 | 234.74 | 17 | 2.5 | 345.56 | 164.81 | 335.11 | 332.09 |
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