| Report Year: 2009 |
| Lake Pahoja, Lyon County |
| Zooplankton |
| | 6/2/2009 | 7/7/2009 | 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 | 71.665 | 35.833 | 0.000 | 1.978 | 11.001 | 11.303 | 112.474 | 12.611 | 69.762 | 3.920 |
| Ceriodaphnia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 30.668 | 16.734 | 45.314 | 18.867 | 0.000 | 32.879 |
| Daphnia | 241.063 | 12.674 | 126.869 | 0.000 | 342.569 | 151.670 | 103.861 | 51.483 | 83.059 | 203.982 | 12.796 |
| Copepoda |
| Calanoida | 7.471 | 163.808 | 85.640 | 0.000 | 79.416 | 69.659 | 74.522 | 179.146 | 55.057 | 65.189 | 6.098 |
| Cyclopoida | 53.413 | 6.195 | 29.804 | 0.000 | 17.672 | 15.159 | 95.108 | 26.586 | 7.891 | 60.978 | 8.985 |
| Nauplii | 5.378 | 9.669 | 7.523 | 0.000 | 27.613 | 20.530 | 14.724 | 16.457 | 10.792 | 52.506 | 2.452 |
| Nauplii |
| Nauplii | 5.378 | 9.669 | 7.523 | 0.000 | 27.613 | 20.530 | 14.724 | 16.457 | 10.792 | 52.506 | 2.452 |
| Rotifera |
| Asplanchna | 0.000 | 0.000 | 0.000 | 0.000 | 11.839 | 1.738 | 4.555 | 6.905 | 5.201 | 1.313 | 0.000 |
| Brachionus | 0.000 | 0.000 | 0.000 | 0.000 | 0.026 | 0.041 | 0.050 | 0.028 | 0.097 | 0.032 | 0.020 |
| Conochilus | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | 0.001 | 0.038 | 0.005 | 0.000 | 0.000 |
| Filinia | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.128 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella cochlearis | 0.020 | 3.971 | 1.996 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella quadrata | 4.918 | 6.377 | 5.647 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Keratella | 0.000 | 0.000 | 0.000 | 0.000 | 3.415 | 1.081 | 0.876 | 3.800 | 1.520 | 1.385 | 0.020 |
| Lecane | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.058 | 0.000 | 0.000 |
| Monostyla | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.005 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Polyarthra | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.043 | 0.000 | 0.010 | 0.232 | 0.126 | 0.000 |
| Pompholx | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.209 | 0.835 | 2.296 | 0.000 | 0.000 | 0.000 |
| Trichocerca | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.402 | 0.235 | 0.045 | 0.000 | 0.000 | 0.000 |
| Total | 312.264 | 274.359 | 293.312 | 0.000 | 484.527 | 302.334 | 322.804 | 444.583 | 195.390 | 455.274 | 67.170 |
| Large Suspension Feeders (%) | 77 | 5 | 41 | - | 71 | 64 | 39 | 23 | 50 | 60 | 73 |
| Taxonomic Richness | 6 | 7 | 7 | - | 9 | 12 | 10 | 10 | 10 | 7 | 7 |
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