| Report Year: 2009 |
| Big Creek Lake, Polk County |
| Phytoplankton |
| | 6/15/2009 | 7/20/2009 | 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 | 0.112 | 0.017 | 0.064 | 2.643 | 1.857 | 0.113 | 0.042 | 0.671 | 2.869 | 3.335 | 0.847 |
| Chlorophyta | 0.000 | 0.033 | 0.017 | 0.310 | 0.132 | 0.022 | 0.016 | 0.032 | 0.242 | 0.396 | 0.324 |
| Chrysophyta | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.004 | 0.000 | 0.000 | 0.000 |
| Cryptophyta | 0.097 | 0.484 | 0.290 | 0.774 | 0.244 | 0.146 | 0.026 | 0.032 | 0.229 | 0.929 | 0.460 |
| Cyanobacteria | 17.488 | 67.010 | 42.249 | 31.930 | 21.299 | 3.745 | 11.475 | 39.049 | 25.921 | 0.275 | 4.852 |
| Dinophyta | 0.000 | 0.000 | 0.000 | 0.442 | 0.000 | 0.000 | 0.000 | 0.019 | 4.338 | 0.000 | 0.000 |
| Euglenophyta | 0.072 | 0.092 | 0.082 | 0.075 | 0.006 | 0.000 | 0.013 | 0.780 | 0.000 | 0.000 | 0.000 |
| Total | 17.769 | 67.636 | 42.702 | 36.173 | 23.538 | 4.027 | 11.571 | 40.587 | 33.598 | 4.934 | 6.484 |
| Taxonomic Richness | 14 | 12 | 13 | 8 | 16 | 9 | 6 | 11 | 8 | 5 | 6 |
| Cyanobacteria Cell Counts(k)/ml | 24.100 | 88.111 | 56.105 | 0.000 | 20.940 | 19.274 | 20.688 | 57.299 | 34.325 | 2.297 | 10.814 |
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