| 51 | Acidification of freshwaters: the threat and its mitigation |
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| 52 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 53 | Water resources for the future : annual review 2003 |
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| 54 | Roger Sweeting providing a commentary on The Tern |
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| 55 | River quality in England and Wales : a report of the 1990 survey |
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| 56 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
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| 57 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
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| 58 | Pesticides in the aquatic environment 1997 : executive summary |
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| 59 | Water quality 2000 : a strategy for the water quality function |
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| 60 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 61 | Snapshots of the environment : understanding coastal water quality |
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| 62 | Method for assessing the heritage value of net fisheries |
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| 63 | A strategy for the management of salmon in England and Wales |
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| 64 | Statement on public consultation for the Dove CMP : July 1995 |
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| 65 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 66 | Quality audit of biological samples for the 1990 river quality survey |
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| 67 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 68 | Biological water quality monitoring in the Midlands region |
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| 69 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 70 | The River Dee catchment management plan : consultation report : June 1994 |
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| 71 | A guide to sustainable urban drainage : protecting the quality of our environment |
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| 72 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
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| 73 | The 1990 river and estuary classification survey of England and Wales |
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| 74 | Landfill and the water environment : NRA position statement |
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| 75 | Snapshots of the environment : managing our freshwater fisheries |
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