Table 2 Survival ratios (%) of elaphocaris larvae exposed to different suspended particle concentrations.
Concentration (mg L−1) | Survival ratio (%) of larvae at different time interval (days) | |||||||
|---|---|---|---|---|---|---|---|---|
Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 7 | Day 8 | |
No kaolinite | 100 ± 0 | 100 ± 0 | 100 ± 0 | 100 ± 0 | 100 ± 0c | 100 ± 0 | 100 ± 0c | 100 ± 0b |
6.9 | 97.7 ± 3.8 | 93.3 ± 6.6 | 93.3 ± 6.6 | 93.3 ± 6.6 | 93.3 ± 6.6abc | 93.3 ± 6.6 | 88.8 ± 10.1bc | 70.5 ± 3.9ab |
20 | 97.7 ± 3.8 | 97.7 ± 3.8 | 97.7 ± 3.8 | 94.8 ± 8.8 | 94.8 ± 8.8bc | 94.8 ± 8.8 | 88.9 ± 4.3bc | 75.6 ± 6.3ab |
35 | 100 ± 0 | 97.7 ± 3.8 | 95.5 ± 7.6 | 95.5 ± 7.6 | 95.5 ± 7.6bc | 88.8 ± 10.1 | 84.4 ± 13.8bc | 75.1 ± 18ab |
70 | 100 ± 0 | 100 ± 0 | 95.5 ± 7.6 | 91.1 ± 15.3 | 82.2 ± 20.3abc | 73.3 ± 30.5 | 64.4 ± 23.4ab | 47.8 ± 36.1a |
104 | 97.7 ± 3.8 | 93.4 ± 0.2 | 91.2 ± 3.9 | 80.2 ± 11.7 | 67.2 ± 7.5a | 62.7 ± 11.1 | 49.8 ± 8.6a | 41.9 ± 13.3a |
139 | 97.7 ± 3.8 | 97.7 ± 3.8 | 84.4 ± 3.8 | 80 ± 6.6 | 71.1 ± 3.8ab | 64.4 ± 7.6 | 48.8 ± 10.1a | 36.4 ± 19.7a |
