| Report Year: 2009 |
| Nelson Park Lake, Crawford County |
| Zooplankton |
| | 6/10/2009 | 7/15/2009 | 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 | 179.626 | 89.813 | 13.093 | 1.931 | 6.869 | 5.969 | 0.506 | 33.106 | 17.270 | 0.635 |
| Ceriodaphnia | 0.000 | 0.000 | 0.000 | 1.173 | 0.314 | 0.000 | 0.000 | 1.481 | 2.235 | 0.000 | 23.973 |
| Daphnia | 15.735 | 45.089 | 30.412 | 41.085 | 117.669 | 30.043 | 182.916 | 223.192 | 6.973 | 155.221 | 1.137 |
| Copepoda |
| Calanoida | 0.000 | 0.000 | 0.000 | 8.968 | 3.019 | 0.703 | 14.179 | 85.198 | 5.079 | 2.487 | 0.000 |
| Cyclopoida | 1.700 | 32.807 | 17.254 | 13.500 | 5.658 | 12.635 | 69.760 | 10.866 | 6.523 | 40.826 | 15.179 |
| Nauplii | 10.219 | 8.624 | 9.422 | 9.145 | 5.006 | 5.872 | 27.686 | 8.410 | 10.101 | 7.425 | 3.868 |
| Nauplii |
| Nauplii | 10.219 | 8.624 | 9.422 | 9.145 | 5.006 | 5.872 | 27.686 | 8.410 | 10.101 | 7.425 | 3.868 |
| Rotifera |
| Ascomorpha | 0.000 | 0.000 | 0.000 | 0.000 | 0.008 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Asplanchna | 0.000 | 6.963 | 3.481 | 0.000 | 0.893 | 1.172 | 0.000 | 1.875 | 0.028 | 1.628 | 0.000 |
| Brachionus | 0.000 | 0.000 | 0.000 | 0.045 | 0.032 | 0.010 | 0.033 | 0.000 | 0.038 | 0.013 | 0.000 |
| Conochilus | 0.000 | 0.000 | 0.000 | 0.308 | 0.049 | 0.001 | 0.000 | 0.000 | 0.003 | 0.000 | 0.000 |
| Filinia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.041 | 0.000 | 0.000 | 0.038 | 0.000 | 0.000 |
| Kellicottia | 0.000 | 0.000 | 0.000 | 0.004 | 0.000 | 0.004 | 0.000 | 0.000 | 0.000 | 0.049 | 0.000 |
| Keratella cochlearis | 0.261 | 2.530 | 1.395 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella | 0.000 | 0.000 | 0.000 | 0.265 | 0.460 | 2.482 | 0.714 | 1.224 | 0.289 | 0.686 | 0.038 |
| Lecane | 0.000 | 0.000 | 0.000 | 0.000 | 0.101 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Monostyla | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.082 | 0.000 |
| Polyarthra | 0.000 | 0.488 | 0.244 | 0.774 | 0.532 | 0.517 | 1.829 | 3.077 | 1.126 | 5.400 | 0.183 |
| Pompholx | 0.000 | 0.000 | 0.000 | 0.215 | 0.110 | 0.315 | 0.158 | 0.375 | 0.000 | 0.000 | 0.000 |
| Trichocerca | 0.000 | 0.000 | 0.000 | 0.000 | 0.045 | 0.053 | 0.000 | 0.115 | 0.288 | 0.041 | 0.000 |
| Total | 27.915 | 276.128 | 152.021 | 88.575 | 135.826 | 60.715 | 303.245 | 336.319 | 65.827 | 231.128 | 45.014 |
| Large Suspension Feeders (%) | 56 | 16 | 36 | 40 | 47 | 34 | 60 | 74 | 22 | 65 | 56 |
| Taxonomic Richness | 4 | 7 | 6 | 9 | 10 | 9 | 9 | 8 | 7 | 9 | 7 |
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