| Report Year: 2009 |
| Lake Sugema, Van Buren 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 | 0.049 | 3.436 | 1.743 | 0.000 | 0.000 | 1.094 | 0.926 | 0.272 | 0.468 | 28.364 | 1.739 |
| Chlorophyta | 1.782 | 13.851 | 7.816 | 0.000 | 0.000 | 0.120 | 0.267 | 0.123 | 0.006 | 0.452 | 0.120 |
| Chrysophyta | 0.028 | 31.011 | 15.519 | 0.000 | 0.000 | 0.000 | 0.000 | 0.019 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 0.170 | 1.581 | 0.875 | 0.000 | 0.000 | 0.458 | 0.069 | 0.084 | 0.336 | 1.100 | 0.550 |
| Cyanobacteria | 43.132 | 148.432 | 95.782 | 0.000 | 0.000 | 18.652 | 13.577 | 13.554 | 63.275 | 8.646 | 9.028 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.109 | 0.811 | 0.149 | 0.000 | 5.290 | 0.236 |
| Euglenophyta | 0.022 | 1.293 | 0.658 | 0.000 | 0.000 | 0.129 | 0.012 | 0.025 | 0.098 | 0.090 | 0.165 |
| Total | 45.183 | 199.603 | 122.393 | 0.000 | 0.000 | 20.562 | 15.661 | 14.226 | 64.184 | 43.941 | 11.838 |
| Taxonomic Richness | 26 | 30 | 28 | 0 | 0 | 16 | 9 | 13 | 9 | 6 | 11 |
| Cyanobacteria Cell Counts(k)/ml | 115.426 | 345.887 | 230.657 | 0.000 | 0.000 | 55.856 | 42.298 | 26.551 | 210.834 | 46.030 | 44.811 |
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