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1201The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands
1202Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment
1203Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology
1204Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
1205NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
1206Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality
1207The FBA-Welsh Water simulation model of phytoplankton dynamics in flushed systems. Authentication in a coastal lagoon
1208Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990
1209Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
1210NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging
1211Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government
1212Database and atlas of aquatic vascular plants in the British Isles : part 2 : distribution maps (352/2/N and Y)
1213Proposed decision for the future regulation of disposals of radioactive waste from British Nuclear fuels plc Sellafield : supporting information
1214Evaluating the impact of groundwater abstraction on key conservation sites, final report : Yare Broads and marshes (Strumpshaw Fen)
1215Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report
1216An overview of the IBP compound when building was finished (generator located in disused house in front).
1217Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution
1218The Development of a Methodology to Assess Population Doses from Multiple Sources and Exposure Pathways of Radioactivity
1219Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
1220Audit of priority species of rivers and wetlands : Black Bog in South Hampshire and the Isle of Wight
1221Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1222Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software
1223The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
1224Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1225Guidance to agency officers on the provision of technically competent management (multiple sites) at licensed waste facilities