| Report Year: 2009 |
| Lake Geode, Henry County |
| Phytoplankton |
| | 6/16/2009 | 7/22/2009 | 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 | 59.031 | 3.054 | 31.042 | 0.017 | 0.062 | 2.456 | 1.766 | 0.031 | 0.540 | 0.217 | 0.000 |
| Chlorophyta | 0.878 | 0.351 | 0.615 | 0.123 | 0.034 | 1.488 | 0.157 | 0.195 | 0.317 | 0.532 | 0.009 |
| Chrysophyta | 0.000 | 0.538 | 0.269 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 0.802 | 0.052 | 0.427 | 0.076 | 0.058 | 0.078 | 0.078 | 0.026 | 0.011 | 0.046 | 0.120 |
| Cyanobacteria | 191.110 | 23.288 | 107.199 | 269.424 | 61.453 | 2.389 | 8.121 | 51.337 | 45.874 | 1.693 | 96.565 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.846 | 2.878 | 0.000 | 0.031 | 0.117 | 0.376 | 0.500 | 0.979 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.045 | 0.000 | 0.150 | 0.006 | 0.003 | 0.009 | 0.003 | 0.114 |
| Total | 251.821 | - | 251.821 | 270.530 | 64.484 | 6.561 | 10.158 | 51.709 | 47.127 | 2.991 | 97.787 |
| Taxonomic Richness | 18 | 22 | 20 | 7 | 8 | 7 | 8 | 8 | 12 | 5 | 5 |
| Cyanobacteria Cell Counts(k)/ml | 146.344 | 86.483 | 116.414 | 0.000 | 110.819 | 3.711 | 16.472 | 38.783 | 32.769 | 4.833 | 58.154 |
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