| Report Year: 2009 |
| Littlefield Lake, Audubon County |
| Phytoplankton |
| | 6/10/2009 | 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 | 2.923 | 6.602 | 4.762 | 0.187 | 0.041 | 17.980 | 2.668 | 2.397 | 62.896 | 0.003 | 0.092 |
| Chlorophyta | 0.288 | 5.793 | 3.041 | 1.310 | 0.640 | 0.250 | 0.093 | 0.160 | 0.871 | 2.169 | 0.006 |
| Cryptophyta | 0.000 | 0.000 | 0.000 | 0.094 | 0.016 | 1.343 | 0.098 | 0.069 | 0.058 | 0.063 | 0.735 |
| Cyanobacteria | 355.348 | 451.698 | 403.523 | 17.635 | 181.912 | 487.346 | 291.599 | 255.533 | 1757.637 | 309.569 | 80.516 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.064 | 0.029 | 0.000 | 0.000 | 0.000 |
| Euglenophyta | 0.000 | 0.419 | 0.209 | 0.000 | 0.000 | 0.364 | 0.035 | 0.007 | 0.000 | 0.000 | 0.000 |
| Total | 358.559 | 464.512 | 411.535 | 19.226 | 182.610 | 507.283 | 294.556 | 258.195 | 1821.462 | 311.804 | 81.350 |
| Taxonomic Richness | 16 | 32 | 24 | 7 | 8 | 13 | 7 | 10 | 10 | 4 | 5 |
| Cyanobacteria Cell Counts(k)/ml | 276.987 | 323.133 | 300.060 | 0.000 | 107.359 | 541.698 | 210.446 | 252.315 | 870.554 | 231.899 | 84.229 |
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