| Report Year: 2009 |
| Lost Island Lake, Palo Alto County |
| Phytoplankton |
| | 6/4/2009 | 7/8/2009 | 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 | 0.344 | 32.082 | 16.213 | 4.075 | 1.594 | 1.083 | 1.401 | 2.935 | 25.063 | 1.108 | 0.992 |
| Chlorophyta | 6.390 | 0.569 | 3.479 | 1.059 | 0.793 | 1.220 | 1.091 | 0.656 | 1.934 | 1.456 | 0.029 |
| Chrysophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.418 | 0.024 | 0.000 | 0.000 |
| Cryptophyta | 1.470 | 0.890 | 1.180 | 0.123 | 0.000 | 0.049 | 0.070 | 0.034 | 0.309 | 0.003 | 0.072 |
| Cyanobacteria | 596.945 | 148.767 | 372.856 | 121.715 | 689.411 | 89.669 | 247.299 | 46.494 | 204.480 | 4.263 | 87.763 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.027 | 0.000 | 0.000 | 0.000 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.030 | 0.000 | 0.040 | 0.001 | 0.004 | 0.000 | 0.000 | 0.000 |
| Total | 605.150 | 182.307 | 393.729 | 127.001 | 691.798 | 92.061 | 249.862 | 50.568 | 231.811 | 6.830 | 88.856 |
| Taxonomic Richness | 40 | 28 | 34 | 10 | 8 | 13 | 14 | 11 | 10 | 8 | 6 |
| Cyanobacteria Cell Counts(k)/ml | 322.652 | 104.314 | 213.483 | 0.000 | 500.307 | 67.211 | 177.567 | 34.473 | 155.641 | 6.002 | 77.221 |
|