| Report Year: 2009 |
| Dog Creek Lake, O'Brien 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 | 9.711 | 12.256 | 10.983 | 0.000 | 8.153 | 3.667 | 1.462 | 6.105 | 0.429 | 0.151 | 0.099 |
| Chlorophyta | 0.832 | 0.360 | 0.596 | 0.000 | 0.278 | 1.904 | 2.836 | 1.787 | 0.693 | 0.121 | 4.057 |
| Chrysophyta | 0.733 | 0.032 | 0.383 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 1.886 | 0.144 | 1.015 | 0.000 | 0.111 | 0.193 | 0.557 | 0.207 | 0.649 | 0.030 | 0.000 |
| Cyanobacteria | 13.529 | 26.835 | 20.182 | 0.000 | 2.100 | 257.733 | 35.535 | 19.705 | 103.592 | 7.604 | 4.911 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.582 |
| Euglenophyta | 0.000 | 0.052 | 0.026 | 0.000 | 0.000 | 0.190 | 0.103 | 0.000 | 0.023 | 0.000 | 0.000 |
| Total | 26.691 | 39.679 | 33.185 | 0.000 | 10.642 | 263.686 | 40.493 | 27.805 | 105.385 | 7.906 | 9.649 |
| Taxonomic Richness | 16 | 28 | 22 | 0 | 12 | 14 | 11 | 8 | 7 | 4 | 6 |
| Cyanobacteria Cell Counts(k)/ml | 9.672 | 22.635 | 16.153 | 0.000 | 1.501 | 191.613 | 55.495 | 58.644 | 86.644 | 6.616 | 27.284 |
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