| Report Year: 2009 |
| Five 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 | 4.543 | 14.214 | 9.378 | 2.001 | 1.786 | 10.008 | 1.689 | 3.752 | 46.592 | 12.199 | 2.966 |
| Chlorophyta | 0.895 | 4.711 | 2.803 | 0.263 | 0.355 | 0.774 | 0.743 | 1.534 | 1.393 | 4.209 | 2.049 |
| Chrysophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.014 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 0.022 | 0.344 | 0.183 | 0.372 | 0.105 | 1.072 | 0.268 | 0.063 | 0.348 | 1.101 | 1.099 |
| Cyanobacteria | 39.180 | 123.943 | 81.561 | 54.121 | 122.088 | 51.596 | 218.013 | 36.954 | 72.073 | 24.450 | 6.664 |
| Dinophyta | 0.000 | 4.373 | 2.187 | 0.000 | 0.343 | 0.000 | 0.000 | 0.000 | 0.000 | 0.815 | 0.395 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.133 | 0.100 | 0.084 | 0.000 | 0.000 | 0.003 | 0.000 |
| Total | 44.639 | 147.586 | 96.113 | 56.757 | 124.810 | 63.550 | 220.797 | 42.317 | 120.406 | 42.776 | 13.173 |
| Taxonomic Richness | 30 | 30 | 30 | 7 | 13 | 21 | 7 | 14 | 12 | 10 | 7 |
| Cyanobacteria Cell Counts(k)/ml | 26.465 | 172.885 | 99.675 | 0.000 | 122.252 | 61.743 | 260.439 | 41.284 | 61.967 | 102.359 | 32.016 |
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