| Report Year: 2009 |
| Carter Lake, Pottawattamie County |
| Zooplankton |
| | 6/9/2009 | 7/14/2009 | 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 |
| Bosmina | 0.000 | 2.567 | 1.284 | 1.333 | 0.138 | 4.293 | 2.622 | 2.227 | 4.452 | 7.882 | 0.420 |
| Ceriodaphnia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.828 | 0.000 | 0.000 | 0.000 | 5.244 |
| Daphnia | 2.023 | 0.000 | 1.011 | 0.126 | 0.591 | 0.616 | 13.918 | 8.139 | 2.606 | 39.757 | 1.499 |
| Copepoda |
| Calanoida | 15.217 | 10.679 | 12.948 | 37.829 | 19.165 | 58.139 | 65.050 | 118.126 | 138.510 | 15.965 | 20.503 |
| Cyclopoida | 17.226 | 10.355 | 13.790 | 6.388 | 8.289 | 64.553 | 13.753 | 51.895 | 66.397 | 33.274 | 23.278 |
| Nauplii | 7.714 | 4.790 | 6.252 | 7.232 | 2.764 | 14.572 | 12.374 | 22.520 | 32.870 | 66.329 | 3.421 |
| Nauplii |
| Nauplii | 7.714 | 4.790 | 6.252 | 7.232 | 2.764 | 14.572 | 12.374 | 22.520 | 32.870 | 66.329 | 3.421 |
| Rotifera |
| Asplanchna | 0.000 | 0.000 | 0.000 | 0.000 | 0.751 | 0.372 | 1.296 | 0.984 | 0.000 | 0.748 | 0.000 |
| Brachionus | 0.000 | 0.107 | 0.053 | 6.046 | 0.654 | 0.371 | 8.239 | 0.682 | 6.044 | 1.528 | 0.270 |
| Conochilus | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Euchlanis | 0.426 | 0.000 | 0.213 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Filinia | 0.000 | 0.006 | 0.003 | 0.444 | 0.034 | 0.005 | 0.032 | 0.081 | 2.303 | 0.000 | 0.180 |
| Kellicottia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 0.000 |
| Keratella cochlearis | 0.090 | 0.011 | 0.050 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella | 0.000 | 0.000 | 0.000 | 0.037 | 0.003 | 0.132 | 0.553 | 0.203 | 0.693 | 0.604 | 0.075 |
| Lecane | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.107 | 0.000 | 0.180 | 12.606 | 0.000 | 0.000 |
| Polyarthra | 0.776 | 0.070 | 0.423 | 0.517 | 0.047 | 0.288 | 2.427 | 1.433 | 0.963 | 0.259 | 0.000 |
| Pompholx | 0.000 | 0.000 | 0.000 | 0.000 | 0.083 | 0.052 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Trichocerca | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.472 | 0.000 |
| Total | 43.471 | 28.585 | 36.028 | 59.952 | 32.519 | 143.499 | 122.091 | 206.468 | 267.445 | 166.820 | 54.889 |
| Large Suspension Feeders (%) | 5 | 0 | 2 | 1 | 2 | 2 | 15 | 5 | 1 | 28 | 10 |
| Taxonomic Richness | 7 | 8 | 8 | 7 | 8 | 8 | 9 | 7 | 8 | 8 | 8 |
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