| Report Year: 2009 |
| Rathbun Reservoir, Appanoose County |
| Zooplankton |
| | 6/17/2009 | 7/21/2009 | 2009 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Suborder/Genus | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) | Dry Mass (μg/L) |
| Cladocera |
| Ceriodaphnia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.226 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Daphnia | 12.140 | 2.850 | 7.495 | 4.295 | 3.254 | 4.759 | 19.789 | 7.693 | 16.058 | 2.498 | 2.792 |
| Copepoda |
| Calanoida | 0.296 | 0.236 | 0.266 | 10.605 | 6.575 | 12.165 | 21.872 | 15.545 | 25.556 | 6.419 | 10.399 |
| Cyclopoida | 0.353 | 0.441 | 0.397 | 0.746 | 1.625 | 1.007 | 3.905 | 3.556 | 5.330 | 4.948 | 3.270 |
| Nauplii | 0.211 | 0.887 | 0.549 | 2.630 | 1.114 | 0.988 | 4.426 | 5.655 | 4.665 | 1.833 | 1.329 |
| Nauplii |
| Nauplii | 0.211 | 0.887 | 0.549 | 2.630 | 1.114 | 0.988 | 4.426 | 5.655 | 4.665 | 1.833 | 1.329 |
| Rotifera |
| Ascomorpha | 0.000 | 0.004 | 0.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Asplanchna | 0.000 | 0.000 | 0.000 | 0.017 | 0.000 | 0.000 | 0.004 | 0.272 | 0.313 | 0.000 | 0.000 |
| Brachionus | 0.000 | 0.000 | 0.000 | 0.008 | 0.028 | 0.000 | 0.013 | 0.028 | 0.000 | 0.000 | 0.000 |
| Conochilus | 0.000 | 0.000 | 0.000 | 0.001 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Filinia | 0.000 | 0.027 | 0.014 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Hexarthra | 0.000 | 0.008 | 0.004 | 0.003 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella cochlearis | 0.002 | 0.005 | 0.003 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella | 0.000 | 0.000 | 0.000 | 0.005 | 0.001 | 0.002 | 0.056 | 0.133 | 0.051 | 0.002 | 0.032 |
| Lecane | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.012 | 0.000 | 0.000 |
| Polyarthra | 0.006 | 0.006 | 0.006 | 0.010 | 0.061 | 0.005 | 0.159 | 0.068 | 0.305 | 0.000 | 0.033 |
| Pompholx | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | 0.000 | 0.000 | 0.000 |
| Trichocerca | 0.000 | 0.000 | 0.000 | 0.000 | 0.009 | 0.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Total | 13.009 | 4.464 | 8.737 | 18.319 | 12.666 | 19.156 | 50.224 | 32.949 | 52.290 | 15.700 | 17.855 |
| Large Suspension Feeders (%) | 93 | 64 | 79 | 27 | 27 | 26 | 43 | 18 | 32 | 19 | 18 |
| Taxonomic Richness | 6 | 9 | 8 | 7 | 6 | 7 | 7 | 6 | 7 | 5 | 6 |
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