|
| Sand-Harvesting Sites | Control Sites | ||
| Parameter | Rainy Season | Dry Season | Rainy Season | Dry Season |
| TN (mg·L−1) | 0.381 ± 0.83 | 0.246 ± 0.03 | 0.4 ± 0.00 | 0.205 ± 0.007 |
| P (mg·L−1) | 42.56 ± 13.44 | 381.65 ± 43.29 | 30.59 ± 12.05 | 256.78 ± 14.66 |
| pH | 6.04 ± 0.34 | 6.03 ± 0.21 | 5.96 ± 0.14 | 6.02 ± 0.04 |
| OC (%) | 1.28 ± 0.29 | 0.81 ± 0.11 | 1.54 ± 0.15 | 1.16 ± 0.05 |