| Report Year: 2007 |
| East Okoboji Lake, Dickinson County |
| Phytoplankton |
| | 6/11/2007 | 6/19/2007 | 7/2/2007 | 7/27/2007 | 8/7/2007 | 2007 | 2006 | 2005 |
| Division | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) |
| Bacillariophyta | 0.028 | 0.137 | 0.041 | 0.019 | 0.034 | 0.052 | 0.279 | 1.204 |
| Chlorophyta | 4.431 | 0.478 | 0.000 | 0.007 | 0.000 | 0.983 | 0.072 | 0.034 |
| Cryptophyta | 0.032 | 0.000 | 0.000 | 0.000 | 0.000 | 0.006 | 0.028 | 0.079 |
| Cyanobacteria | 7.959 | 78.952 | 274.697 | 219.156 | 80.268 | 132.206 | 161.844 | 11.466 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 2.785 |
| Total | 12.450 | 79.567 | 274.738 | 219.182 | 80.302 | 133.248 | 162.225 | 15.568 |
| Taxonomic Richness | 6 | 7 | 3 | 5 | 4 | 5 | 6 | 8 |
|