| 1251 | Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution |
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| 1252 | Quality of Bathing Waters in Hampshire, Sussex, Kent and the Isle of Wight : 1993 Bathing Season : NRA Report DL/bw4/94 |
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| 1253 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
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| 1254 | Environmental protection draft report - united mines landfill appraisal of the disposal of waste from falmouth docks tip |
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| 1255 | Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992 |
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| 1256 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
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| 1257 | Audit of priority species of rivers and wetlands : Marsh Fritillary in South Hampshire and the Isle of Wight |
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| 1258 | Audit of priority species of rivers and wetlands : Black Bog in South Hampshire and the Isle of Wight |
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| 1259 | Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources |
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| 1260 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
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| 1261 | Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters |
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| 1262 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
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| 1263 | 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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| 1264 | Groundwater vulnerability of England and Wales : policy and practice for the protection of groundwater : Scale : 1 : 1 000 000 |
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| 1265 | Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91 |
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| 1266 | International Workshop On The Uses Of Backfill In Nuclear Waste Repositories, Carlsbad, New Mexico, Usa, May 1998 |
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| 1267 | Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters |
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| 1268 | NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment |
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| 1269 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 1270 | NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992 |
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| 1271 | Endocrine Modulating Effects of Wastewater Treatment Works Effluents: 'Sensitive Windows' for inducing germ-cell intersex in the Roach (Rutilus rutilus) |
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| 1272 | Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards |
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| 1273 | Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D |
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| 1274 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands |
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| 1275 | Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight |
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