| 6151 | Water wise : a water saving guide for NRA offices |
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| 6152 | Business strategy : final Aug 1998 |
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| 6153 | Time of travel studies : average and high flows River Ock |
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| 6154 | Flood defence (NRA Severn-Trent 59)
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| 6155 | Scoping guidance for the environmental assessment of projects |
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| 6156 | A study of the mayfly parasite Spiriopsis adipophila, Arvy and Peters (1972) (=Sprininella adipophila, Arvy and Delage 1966) in Ephemera danica from the River Pang, a tributary of the River Thames |
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| 6157 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
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| 6158 | Oxford structures fisheries survey 1992 |
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| 6159 | Riparian and instream species-habitat relationships (291/3/W) |
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| 6160 | River Lark : biological monitoring 1989-91, RE Isleham WTW |
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| 6161 | The physical character of rivers and streams in the UK and Isle of Man |
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| 6162 | Serratella ignita |
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| 6163 | A monitoring methodology for wetlands |
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| 6164 | A wetland framework for impact assessment at statutory sites in England and Wales |
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| 6165 | River catchment management plans : marsh dykes ecology survey : appraisal report |
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| 6166 | River Severn upper reaches catchment management plan : second annual review : July 1996 - July 1997 |
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| 6167 | The drought of 1988-1992 in Anglia : a review |
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| 6168 | An assessment of water quality an Nansmellyn Marsh |
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| 6169 | Life in rivers |
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| 6170 | An Analytical And Descriptive Model Of Sustainable Development |
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| 6171 | Biogeochemical Controls on Phosphorus Cycling Between Sediment and Water in Estuaries |
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| 6172 | Definition of the Extent and Vertical Range of Saltmarsh |
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| 6173 | Sea Trout Investigations Phase 1 Final Report |
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| 6174 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
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| 6175 | Development of Hydromorphical Reference Conditions and Draft Classification Scheme for Transitional and coastal Waters -Work packages 1-4 |
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