| Report Year: 2007 |
| Little Spirit Lake, Dickinson County |
| Phytoplankton |
| | 6/5/2007 | 6/18/2007 | 7/9/2007 | 7/22/2007 | 8/6/2007 | 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 | 37.232 | 2.771 | 2.241 | 0.000 | 0.000 | 8.449 | 5.088 | 14.841 |
| Chlorophyta | 1.198 | 0.136 | 0.000 | 0.000 | 0.000 | 0.267 | 1.079 | 40.268 |
| Cryptophyta | 0.000 | 0.043 | 0.000 | 0.000 | 0.000 | 0.009 | 0.044 | 1.218 |
| Cyanobacteria | 149.337 | 46.628 | 500.586 | 1004.194 | 262.886 | 392.726 | 74.141 | 81.783 |
| Dinophyta | 0.784 | 0.000 | 0.000 | 0.000 | 0.000 | 0.157 | 0.159 | 0.000 |
| Euglenophyta | 0.028 | 0.000 | 0.000 | 0.000 | 0.000 | 0.006 | 0.020 | 0.125 |
| Total | 188.580 | 49.577 | 502.827 | 1004.194 | 262.886 | 401.613 | 80.531 | 138.235 |
| Taxonomic Richness | 17 | 6 | 4 | 4 | 3 | 7 | 7 | 8 |
|