| Report Year: 2007 |
| West Okoboji Lake, Dickinson County |
| Phytoplankton |
| | 6/12/2007 | 6/27/2007 | 7/9/2007 | 7/24/2007 | 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 | 0.029 | 0.000 | 0.000 | 0.000 | 0.000 | 0.006 | 0.024 | 0.584 |
| Chlorophyta | 0.080 | 0.000 | 0.363 | 0.000 | 0.000 | 0.089 | 0.010 | 8.797 |
| Cryptophyta | 0.010 | 0.000 | 0.000 | 0.000 | 0.011 | 0.004 | 0.051 | 0.056 |
| Cyanobacteria | 129.113 | 89.174 | 89.776 | 171.756 | 8.639 | 97.692 | 123.666 | 160.778 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | 0.002 |
| Total | 129.232 | 89.174 | 90.140 | 171.756 | 8.650 | 97.790 | 123.753 | 170.216 |
| Taxonomic Richness | 6 | 3 | 4 | 2 | 2 | 3 | 6 | 13 |
|