Table 3.
Statistical analysis results: comparison of quantitative environmental conditions by species
| Code species | Altitude (m) | Salinity (mg/L) | Dissolved oxygen (mg/L) | pH | Water temperature (°C) |
|---|---|---|---|---|---|
| An. labranchiae | |||||
| Mean | 237.0924 | 20,160.747 | 14.5776 | 7.7494 | 30.5118 |
| N | 17 | 17 | 17 | 17 | 17 |
| SD | 187.55885 | 79,847.2568 | 5.12223 | 1.46602 | 3.09493 |
| Median | 196.9400 | 506.000 | 14.2000 | 7.7800 | 29.5000 |
| Others | |||||
| Mean | 186.5488 | 13,352.500 | 9.9013 | 7.3588 | 26.1500 |
| N | 8 | 8 | 8 | 8 | 8 |
| SD | 131.84250 | 11,476.1800 | 5.45234 | 1.08320 | 5.35057 |
| Median | 178.7600 | 9,490.000 | 10.9300 | 7.1000 | 24.6000 |
| Total | |||||
| Mean | 220.9184 | 17,982.108 | 13.0812 | 7.6244 | 29.1160 |
| N | 25 | 25 | 25 | 25 | 25 |
| SD | 170.59059 | 65,569.1193 | 5.57845 | 1.34522 | 4.36441 |
| Median | 196.9400 | 1,139.000 | 12.3300 | 7.7000 | 28.6000 |
| Test statistics | |||||
| Mann–Whitney U | 57.000 | 9.000 | 39.000 | 45.000 | 31.000 |
| Asymptomatic significance (two-tailed) | 0.522 | 0.001 | 0.091 | 0.180 | 0.031 |