| 151 | Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales |
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| 152 | Algal growth in the impounded waters of a proposed barrage at Cardiff Bay : prediction using 1989 data |
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| 153 | Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990 |
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| 154 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
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| 155 | A review of the industrial uses of continuous monitoring systems : incineration processes : a report produced for NCCA and ETSU by Entec |
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| 156 | Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment |
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| 157 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
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| 158 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 159 | List of R and D outputs September 1989 to September 1995 : the National Rivers Authority's R and D programme |
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| 160 | The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu |
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| 161 | NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992 |
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| 162 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 163 | The River Taf catchment management plan : action plan 1995 (bilingual) : Cynllun rheoli dalgylch Afon Taf : cynllun gweithredu 1995 |
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| 164 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10 |
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| 165 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
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| 166 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : AQC audit : C00158/11 |
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| 167 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version] |
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| 168 | Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales |
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| 169 | Groundwater vulnerability of England and Wales : policy and practice for the protection of groundwater : Scale : 1 : 1 000 000 |
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| 170 | A report of the conservation and recreation market testing project on : conservation operational advice, conservation collaborative projects, recreational collaborative projects, landscape assessment |
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| 171 | Creating an environmental vision : progressing the Environment Agency's contribution to sustainable development by way of a better environment in England and Wales. Consultation draft June 2000 |
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| 172 | Creating an environmental vision : summary : progressing the Environment Agency's contribution to sustainable development by way of a better environment in England and Wales. Consultation draft June 2000 |
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| 173 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 15 8/24 |
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| 174 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 158/23 |
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| 175 | Environmental radioactivity around steel works : an evaluation of the significance of lead-210 and polonium-210 in environmental samples collected in 1996/97 from around steel works Operated by British Steel at Redcar, Scunthorpe, Llanwern and Port Talbot |
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