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1251Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990
1252Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
1253NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging
1254Database and atlas of aquatic vascular plants in the British Isles : part 2 : distribution maps (352/2/N and Y)
1255Proposed decision for the future regulation of disposals of radioactive waste from British Nuclear fuels plc Sellafield : supporting information
1256Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report
1257An overview of the IBP compound when building was finished (generator located in disused house in front).
1258Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution
1259The Development of a Methodology to Assess Population Doses from Multiple Sources and Exposure Pathways of Radioactivity
1260Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
1261Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1262Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software
1263The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
1264Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1265Guidance to agency officers on the provision of technically competent management (multiple sites) at licensed waste facilities
1266An investigation into the best method to combine national and local data to develop site-specific critical loads
1267Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report
1268Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987
1269Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight
1270Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996)
1271Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001)
1272Development of data and information sources on Natura 2000 estuarine sites in the North West : Duddon Estuary : final report
1273The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1274Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software
1275River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region