Table 1.
Mean Values (SE) of the Habit Measures Recorded at Four Indian Sites
| SV | SN | FV | FM | |
|---|---|---|---|---|
| At zebrafish groups | ||||
| Flow rate (cm/s) | 0 (0.0) | 0 (0.0) | 6 (0.8) | 16 (8.1) |
| Vegetation cover (%) | 21 (16.2) | 0 (0.0) | 23 (2.0) | 28 (4.0) |
| General measures | ||||
| Temperature | 20 (0.8) | 19 | 18 (0.0) | 24 (0.4) |
| Alkalinity (ppm) | 120 (0.0) | 80 (40.0) | – | 180 (0.0) |
| Ph | 7.8 (0.00) | 7.4 (0.15) | 7.3 (0.06) | 7.8 (0.00) |
| Ammonia (ppm) | 0 (0.0) | – | – | 0.5 (0.00) |
| Hardness (ppm) | 300 (0.0) | 300 (0.0) | – | 300 (0.0) |
| Nitrate (ppm) | 0 (0.0) | 0 (0.0) | – | 0 (0.0) |
| Nitrite (ppm) | 0 (0.0) | 0 (0.0) | – | 0.5 (0.00) |
| Chloride (ppm) | 0 (0.0) | 0 (0.0) | – | 0 (0.0) |
| Human-made debris | No | Yes | Yes | No |
| Light (lux) | 7731.7 (5462.63) | 180 | – | – |
| Substrate | Mud | Mud | Gravel, mud | Mud, Silt |
| Latitude (°N) | 21.6 | 21.6 | 13.4 | 41.4 |
A dash (–) indicates not measured.
FM, flowing, mixed vegetation; SN, still, nonvegetated; SV, still, vegetated; FV, flowing, vegetated.