Table 3.
Effects of herbicides and their transformation products on the success of prawn larval metamorphosis. NOEC = no observed significant effect concentration and LOEC = lowest observed significant effect concentration. Significantly different from solvent control when ANOVA p < 0.05.
| NOEC (µg l−1) | LOEC (µg l−1) | F (df) | P value | |
|---|---|---|---|---|
| Diuron | 874 | >874 | 0.53 (6,47) | 0.7819 |
| Aged Diuron | 34 | 71 | 3.3 (6,47) | 0.0096 |
| 3,4-DCA | 54 | 188 | 16.6 (6,45) | 0.000 |
| Atrazine | 197 | 899 | 3.97 (6,47) | 0.0032 |
| Aged Atrazine | 143 | 278 | 3.34 (6,47) | 0.0090 |
| DIA | 0 | 3.5 | 23.9 (6,47) | 0.000 |
| DEA | 0 | 3.8 | 63.6 (6,47) | 0.000 |
| Ametryn | 517 | >517 | 0.57 (6,47) | 0.7493 |
| Aged Ametryn | 188 | >188 | 0.9 (6,47) | 0.5044 |
| Hexazinone | 242 | 1026 | 4.60 (6,44) | 0.0013 |
| Aged Hexazinone | 213 | 366 | 3.70 (6,46) | 0.0051 |
| Copper reference | 11 | 91 | 98.0 (3,29) | 0.000 |