| 组别 | 绿藻 | 铜绿微囊藻 | 桡足类数量 |
| M0 | 0.5 × 105 cells/ml | 0 | 15 × 3 = 45 |
| M1 | 0.5 × 105 cells/ml | 0.5 × 103cells/ml | 15 × 3 = 45 |
| M2 | 0.5 × 105 cells/ml | 0.6 × 104cells/ml | 15 × 3 = 45 |
| M3 | 0.5 × 105 cells/ml | 0.6 × 106 cells/ml | 15 × 3 = 45 |