| Report Year: 2007 |
| Silver Lake (Dickinson), Dickinson County |
| Phytoplankton |
| | 6/5/2007 | 6/19/2007 | 7/10/2007 | 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 | 0.000 | 0.234 | 0.027 | 0.000 | 0.000 | 0.052 | 0.015 | 0.177 |
| Chlorophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.004 | 0.002 |
| Cryptophyta | 0.085 | 0.000 | 0.000 | 0.000 | 0.000 | 0.017 | 0.015 | 35.248 |
| Cyanobacteria | 9.316 | 3544.950 | 79.015 | 3.760 | 40.571 | 735.523 | 42.027 | 117.119 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.007 | 0.000 | 0.001 | 0.000 | 0.000 |
| Total | 9.401 | 3545.184 | 79.042 | 3.767 | 40.571 | 735.593 | 42.061 | 152.546 |
| Taxonomic Richness | 3 | 6 | 3 | 3 | 2 | 3 | 3 | 5 |
|