Upper Patuxent River (PAXTF)
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| USGS Quadrangle | 2000 | 2001 | Change
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Lower Marlboro, Md. (41)| 17.88 | 36.86 | +106%
| Bristol, Md. (159) | 19.42 | 46.19 | +138%
| Bowie, Md. (181) | 0.00 | 0.00 | 0%
| Segment Total | 37.30 | 83.04 | +123%
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The 2001 area is 1471% of the Tier I Goal (5.64 ha) for PAXTF.
| Density Class | 2000 | 2001 | Change | ||||||||
| 0 - 10% | 0.00 | 0.00 | 0% | ||||||||
| 10 - 40% | 0.00 | 0.36 |
| 40 - 70% | 1.10 | 10.04 | +812%
| 70 - 100% | 36.20 | 72.64 | +101%
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Species Reported: C. demersum, E. canadensis, H. verticillata, Najas sp., N. guadalupensis, N. minor, Z. palustris
| Quad | 2001 Bed | Species | Surveyor | Survey Date |
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| 159 | Between beds G4 and J3 | Cd, Ec, Hv, Ngu, Nm, | Citizen | 07/08/01 |
| J3 | Cd, Ec, Hv, Ngu, Nm | Citizen | 07/08/01 | |
| West of bed M4 | Cd, Ec, Hv, Ngu, Nm | Citizen | 08/07/01 | |
| M4 | Cd, Ec, Hv, Ngu, Zp | Citizen | 08/07/01 | |
| N4 | Cd, Ec, Hv, Ngu, N, Zp | Citizen | 08/07/01 |