| 26 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 27 | River quality in England and Wales : a report of the 1990 survey |
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| 28 | Snapshots of the environment : understanding coastal water quality |
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| 29 | Stream survey and assessment in the Ashford and Folkestone areas |
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| 30 | The 1990 river and estuary classification survey of England and Wales |
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| 31 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
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| 32 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 33 | Biological water quality monitoring in the Midlands region |
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| 34 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 35 | Water quality 2000 : a strategy for the water quality function |
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| 36 | The Dove catchment management plan : consultation report summary : January 1995 |
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| 37 | Water resources for the future : annual review 2003 |
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| 38 | Quality audit of biological samples for the 1990 river quality survey |
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| 39 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
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| 40 | Policy and practice for the protection of groundwater |
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| 41 | Policy and practice for the protection of groundwater : draft for consultation |
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| 42 | Policy and practice for the protection of groundwater |
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| 43 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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| 44 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 45 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
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| 46 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
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| 47 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
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| 48 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 49 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
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| 50 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
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