| Report Year: 2009 |
| Bob White Lake, Wayne County |
| Zooplankton |
| | 6/17/2009 | 7/22/2009 | 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 | 167.822 | 39.801 | 103.812 | 3.672 | 0.000 | 0.994 | 0.323 | 30.357 | 1.796 | 8.175 | 0.000 |
| Ceriodaphnia | 0.000 | 45.069 | 22.534 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.595 | 24.033 | 12.154 |
| Daphnia | 106.756 | 72.033 | 89.395 | 8.954 | 0.463 | 5.295 | 20.467 | 17.141 | 17.507 | 13.616 | 12.899 |
| Copepoda |
| Calanoida | 13.460 | 22.870 | 18.165 | 20.953 | 12.977 | 58.476 | 58.858 | 58.055 | 11.296 | 17.881 | 12.880 |
| Cyclopoida | 107.575 | 39.609 | 73.592 | 17.191 | 0.000 | 1.498 | 2.581 | 2.542 | 10.942 | 26.196 | 9.345 |
| Nauplii | 44.972 | 25.214 | 35.093 | 11.897 | 4.186 | 8.945 | 23.135 | 16.987 | 16.536 | 11.189 | 0.912 |
| Nauplii |
| Nauplii | 44.972 | 25.214 | 35.093 | 11.897 | 4.186 | 8.945 | 23.135 | 16.987 | 16.536 | 11.189 | 0.912 |
| Rotifera |
| Asplanchna | 8.441 | 0.000 | 4.220 | 1.518 | 2.834 | 9.168 | 2.949 | 2.660 | 0.056 | 4.226 | 0.000 |
| Brachionus | 0.000 | 0.560 | 0.280 | 1.204 | 1.274 | 4.453 | 9.914 | 15.269 | 1.900 | 0.918 | 0.109 |
| Conochilus | 0.000 | 0.000 | 0.000 | 0.016 | 0.000 | 0.004 | 0.001 | 0.000 | 0.000 | 0.000 | 0.000 |
| Euchlanis | 0.723 | 0.000 | 0.361 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Filinia | 0.000 | 0.000 | 0.000 | 0.172 | 0.153 | 0.131 | 0.495 | 2.546 | 0.765 | 0.000 | 0.606 |
| Hexarthra | 0.000 | 0.067 | 0.033 | 0.359 | 0.000 | 0.000 | 0.000 | 0.029 | 0.200 | 0.717 | 0.000 |
| Kellicottia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.073 | 0.000 |
| Keratella cochlearis | 0.528 | 0.807 | 0.668 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella | 0.000 | 0.000 | 0.000 | 0.173 | 0.011 | 0.105 | 0.107 | 0.163 | 0.257 | 1.154 | 0.083 |
| Polyarthra | 0.778 | 0.604 | 0.691 | 0.400 | 2.567 | 1.690 | 0.270 | 0.304 | 0.705 | 0.919 | 0.073 |
| Pompholx | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.010 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Trichocerca | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.016 | 0.000 | 0.000 | 0.020 | 0.000 | 0.047 |
| Total | 451.057 | 246.634 | 348.845 | 66.510 | 24.465 | 90.787 | 119.101 | 146.052 | 67.575 | 109.098 | 49.109 |
| Large Suspension Feeders (%) | 24 | 47 | 36 | 16 | 2 | 14 | 20 | 13 | 35 | 26 | 52 |
| Taxonomic Richness | 9 | 10 | 10 | 8 | 5 | 9 | 8 | 9 | 9 | 10 | 8 |
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