Table 1.
Environmental parameters and alpha diversity across the temporal variation of mass bathing event and COVID lockdown
| Sample ID | Event | pH | Temperature (°C) | OD | TS (mg/l) | TDS (mg/l) | TSS (mg/l) | DO (mg/l) | BOD (mg/l) | MPN (per 100 ml) | Faecal coliform (per 100 ml) | Chao1 | Observed OTUs | Shannon |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BS3 | Before | 6.8 | 25.2 | 0.04 | 811 | 436 | 375 | 3.86 | 19.8 | 1.40E + 04 | 320 | 4181.95 | 2919 | 6.45 |
| BS4 | Before | 6.5 | 23.3 | 0.07 | 682 | 430 | 252 | 2.89 | 15.1 | 1.10E + 04 | 298 | 3975.94 | 2521 | 6.83 |
| BS5 | Before | 6.8 | 23.5 | 0.08 | 835 | 323 | 512 | 2.07 | 17.8 | 1.40E + 04 | 1007 | 5528.73 | 3702 | 7.19 |
| DS3 | During | 7.2 | 23.1 | 0.16 | 1856 | 694 | 1162 | 1.82 | 31.1 | 1.10E + 05 | 1007 | 3570.94 | 2181 | 3.57 |
| DS4 | During | 6.8 | 25.4 | 0.16 | 2068 | 1021 | 1047 | 0.77 | 29.7 | 1.70E + 05 | 400 | 1686.41 | 1062 | 2.75 |
| DS5 | During | 6.5 | 27.7 | 0.3 | 3250 | 1529 | 1721 | 0.88 | 51.5 | 2.40E + 06 | 1820 | 1265.5 | 841 | 3.13 |
| LS3 | Lockdown | 7 | 25.1 | 0.03 | 700 | 395 | 305 | 2.8 | 2.24 | 1.60E + 03 | 47 | 1836.44 | 1337 | 5.22 |
| LS4 | Lockdown | 6.7 | 24.3 | 0.06 | 650 | 415 | 235 | 6.16 | 2.16 | 1.60E + 03 | 80 | 2082.19 | 1609 | 6.18 |
| LS5 | Lockdown | 6.8 | 24.9 | 0.04 | 510 | 322 | 188 | 3.2 | 1.6 | 1.60E + 03 | 286 | 2201.25 | 1651 | 6.38 |