| Report Year: 2009 |
| Lake Pahoja, Lyon County |
| Phytoplankton |
| | 6/2/2009 | 7/7/2009 | 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 | 1.496 | 0.340 | 0.918 | 0.000 | 167.073 | 3.263 | 1.685 | 1.440 | 14.735 | 0.339 | 0.737 |
| Chlorophyta | 1.167 | 4.436 | 2.802 | 0.000 | 1.126 | 0.790 | 0.316 | 0.954 | 4.217 | 0.744 | 0.680 |
| Chrysophyta | 1.161 | 0.356 | 0.758 | 0.000 | 0.000 | 0.000 | 0.000 | 0.008 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 1.590 | 0.125 | 0.858 | 0.000 | 0.036 | 1.656 | 0.100 | 0.040 | 0.000 | 1.692 | 0.026 |
| Cyanobacteria | 90.264 | 239.043 | 164.654 | 0.000 | 10.738 | 16.086 | 104.264 | 47.187 | 316.671 | 12.741 | 33.405 |
| Dinophyta | 0.000 | 17.633 | 8.816 | 0.000 | 0.000 | 1.281 | 0.000 | 0.052 | 0.000 | 0.000 | 0.000 |
| Euglenophyta | 0.000 | 0.031 | 0.016 | 0.000 | 0.024 | 0.049 | 0.083 | 0.002 | 0.000 | 0.000 | 0.000 |
| Total | 95.678 | 261.964 | 178.821 | 0.000 | 178.997 | 23.124 | 106.448 | 49.683 | 335.623 | 15.517 | 34.848 |
| Taxonomic Richness | 18 | 22 | 20 | 0 | 38 | 10 | 8 | 16 | 8 | 5 | 6 |
| Cyanobacteria Cell Counts(k)/ml | 64.531 | 1175.518 | 620.025 | 0.000 | 23.744 | 67.020 | 173.175 | 42.836 | 238.681 | 71.063 | 111.483 |
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