| Report Year: 2009 |
| Rathbun Reservoir, Appanoose County |
| Phytoplankton |
| | 6/17/2009 | 7/21/2009 | 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 | 0.240 | 0.629 | 0.435 | 0.529 | 0.235 | 0.495 | 0.331 | 0.130 | 0.578 | 0.041 | 3.337 |
| Chlorophyta | 0.092 | 0.056 | 0.074 | 0.053 | 0.178 | 0.394 | 0.081 | 0.141 | 0.041 | 0.008 | 0.198 |
| Chrysophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.005 | 0.000 | 0.000 |
| Cryptophyta | 0.398 | 0.379 | 0.389 | 0.101 | 0.017 | 0.235 | 0.201 | 0.029 | 0.704 | 0.003 | 0.134 |
| Cyanobacteria | 697.856 | 98.049 | 397.952 | 60.469 | 46.896 | 5.934 | 44.752 | 28.540 | 40.541 | 0.056 | 0.951 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.717 | 0.000 | 0.000 | 0.599 | 0.007 | 0.000 | 2.311 |
| Euglenophyta | 0.000 | 0.033 | 0.016 | 0.034 | 0.128 | 0.034 | 0.015 | 0.000 | 0.021 | 0.000 | 0.004 |
| Total | 698.586 | 99.145 | 398.866 | 61.186 | 48.171 | 7.092 | 45.380 | 29.440 | 41.896 | 0.108 | 6.935 |
| Taxonomic Richness | 16 | 16 | 16 | 5 | 7 | 11 | 10 | 9 | 9 | 5 | 9 |
| Cyanobacteria Cell Counts(k)/ml | 498.992 | 70.952 | 284.972 | 0.000 | 44.516 | 11.125 | 37.217 | 30.717 | 29.984 | 0.257 | 4.238 |
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