| 时间 | 优势种 | 低密度组 | 高密度组 |
| 4月 | 梅尼小环藻Cyclotella meneghiniana | + | + |
| 小席藻Phormidium tenue | + | ||
| 钝脆杆藻Fragilaria capucina | + | + | |
| 水生集胞藻Synechocystis aquatilis | + | ||
| 针形纤维藻Ankistrodesmus acicularis | + | ||
| 5月 | 梅尼小环藻Cyclotella meneghiniana | + | + |
| 小席藻Phormidium tenue | + | + | |
| 弱细颤藻Oscillatoria tenuis | + | ||
| 微小平裂藻Chroococcus limneticus | + | ||
| 尾裸藻Euglena caudata | + | ||
| 小球藻Chlorella vulgaris | + | ||
| 易变裸藻Euglena mutabilis | + | ||
| 6月 | 梅尼小环藻Cyclotella meneghiniana | + | + |
| 小空星藻Coelastrum microporum | + | ||
| 短刺四星藻Tetrastrun staurogeniaeforme | + | ||
| 微小平裂藻Chroococcus limneticus | + | + | |
| 啮蚀隐藻Cryptomonas erosa | + | + | |
| 绿色裸藻Euglena viridis | + | ||
| 尖针杆藻Synedra acus | + | ||
| 弱细颤藻Oscillatoria tenuis | + | ||
| 双对栅藻Scenedesmus bijuga | + | ||
| 拟菱形弓形藻Schroederia nitzschioides | + | ||
| 7月 | 四足十字藻Crucigenia tetrapedia | + | + |
| 钝脆杆藻Fragilaria capucina | + | ||
| 尖针杆藻Synedra acus | + | + | |
| 小席藻Phormidium tenue | + | + | |
| 啮蚀隐藻Cryptomonas erosa | + | + | |
| 微小平裂藻Chroococcus limneticus | + | + | |
| 水华微囊藻Microcystis flos-aquae | + | ||
| 二形栅藻Scenedesmus dimorphus | + | ||
| 拟菱形弓形藻Schroederia nitzschioides | + | ||
| 绿色裸藻Euglena viridis | + |