| Report Year: 2009 |
| Don Williams Lake, Boone County |
| Phytoplankton |
| | 6/11/2009 | 7/13/2009 | 2009 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| 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) | Wet Mass (mg/L) | Wet Mass (mg/L) | Wet Mass (mg/L) |
| Bacillariophyta | 32.796 | 43.673 | 38.235 | 12.629 | 18.475 | 9.265 | 3.922 | 12.597 | 4.790 | 24.080 | 7.102 |
| Chlorophyta | 0.000 | 0.438 | 0.219 | 0.036 | 0.050 | 0.163 | 0.071 | 0.468 | 0.220 | 6.619 | 0.381 |
| Cryptophyta | 1.072 | 1.254 | 1.163 | 0.442 | 0.147 | 0.512 | 0.362 | 0.751 | 0.174 | 3.833 | 2.450 |
| Cyanobacteria | 121.433 | 182.379 | 151.906 | 21.013 | 8.270 | 2.925 | 2.501 | 0.172 | 15.414 | 0.009 | 4.249 |
| Dinophyta | 0.000 | 5.854 | 2.927 | 0.338 | 0.321 | 0.355 | 0.458 | 0.000 | 0.126 | 0.182 | 0.931 |
| Euglenophyta | 0.000 | 0.120 | 0.060 | 0.163 | 0.028 | 0.020 | 0.006 | 0.009 | 0.005 | 0.000 | 0.254 |
| Total | 155.301 | 233.719 | 194.510 | 34.620 | 27.291 | 13.240 | 7.320 | 13.997 | 20.728 | 34.723 | 15.368 |
| Taxonomic Richness | 12 | 30 | 21 | 6 | 6 | 12 | 11 | 6 | 11 | 6 | 6 |
| Cyanobacteria Cell Counts(k)/ml | 86.815 | 130.482 | 108.648 | 0.000 | 25.263 | 4.395 | 2.783 | 1.455 | 16.124 | 0.075 | 21.450 |
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