| Report Year: 2009 |
| Beaver Lake, Dallas County |
| Phytoplankton |
| | 6/8/2009 | 7/13/2009 | 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 | 96.778 | 14.844 | 55.811 | 0.000 | 0.000 | 2.146 | 0.068 | 0.471 | 3.759 | 0.445 | 3.496 |
| Chlorophyta | 0.000 | 0.465 | 0.232 | 0.000 | 0.000 | 0.496 | 0.259 | 0.028 | 1.336 | 0.223 | 1.406 |
| Cryptophyta | 0.658 | 1.489 | 1.073 | 0.000 | 0.000 | 0.829 | 0.026 | 0.248 | 0.173 | 0.553 | 1.131 |
| Cyanobacteria | 48.746 | 148.768 | 98.757 | 0.000 | 0.000 | 214.311 | 67.166 | 30.830 | 42.961 | 2.989 | 0.000 |
| Dinophyta | 0.000 | 5.785 | 2.893 | 0.000 | 0.000 | 0.341 | 0.796 | 0.000 | 0.373 | 0.000 | 0.087 |
| Euglenophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.219 | 0.002 | 0.025 | 0.000 | 0.000 | 0.000 |
| Total | 146.182 | 171.352 | 158.767 | 0.000 | 0.000 | 218.342 | 68.317 | 31.602 | 48.601 | 4.210 | 6.120 |
| Taxonomic Richness | 10 | 26 | 18 | 0 | 0 | 16 | 10 | 7 | 12 | 6 | 5 |
| Cyanobacteria Cell Counts(k)/ml | 34.824 | 523.344 | 279.084 | 0.000 | 0.000 | 230.659 | 62.779 | 43.975 | 66.074 | 15.271 | 0.000 |
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