| Report Year: 2009 |
| Easter Lake, Polk County |
| Phytoplankton |
| | 6/15/2009 | 7/20/2009 | 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 | 3.744 | 6.218 | 4.981 | 0.552 | 1.680 | 3.388 | 1.190 | 0.071 | 0.819 | 0.508 | 0.562 |
| Chlorophyta | 0.710 | 0.285 | 0.498 | 0.121 | 0.263 | 0.433 | 0.463 | 0.111 | 0.076 | 5.239 | 0.079 |
| Chrysophyta | 0.043 | 7.173 | 3.608 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 0.356 | 2.020 | 1.188 | 1.804 | 0.104 | 0.625 | 0.430 | 0.038 | 0.356 | 0.248 | 2.113 |
| Cyanobacteria | 89.830 | 205.059 | 147.445 | 57.387 | 77.994 | 40.076 | 25.805 | 22.926 | 39.864 | 2.543 | 3.813 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.757 | 0.183 | 0.000 | 0.591 | 0.204 | 0.000 | 0.087 | 0.000 |
| Euglenophyta | 10.802 | 0.810 | 5.806 | 0.000 | 0.053 | 0.057 | 0.014 | 0.049 | 0.271 | 0.000 | 0.041 |
| Total | 105.485 | 221.566 | 163.525 | 60.621 | 80.277 | 44.578 | 28.494 | 23.400 | 41.386 | 8.625 | 6.609 |
| Taxonomic Richness | 38 | 24 | 31 | 7 | 10 | 11 | 13 | 12 | 8 | 5 | 7 |
| Cyanobacteria Cell Counts(k)/ml | 64.502 | 146.942 | 105.722 | 0.000 | 58.495 | 221.733 | 42.387 | 40.931 | 119.457 | 12.711 | 19.406 |
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