1251 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |
1252 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
1253 | Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91 |
1254 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
1255 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
1256 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version] |
1257 | Contemporary and holocene sediment dynamics of the Walton Backwaters North East Essex : preliminary report and review of progress |
1258 | Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990 |
1259 | Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards |
1260 | Sea trout gene banks : the feasibility of developing and utilising gene banks for sea trout (salmo trutta) conservation |
1261 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
1262 | Algal growth in the impounded waters of a proposed barrage at Cardiff Bay : prediction using 1989 data |
1263 | Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software |
1264 | An investigation into the best method to combine national and local data to develop site-specific critical loads |
1265 | Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales |
1266 | Development of Environmental Standards (Water Resources) Stage 1: Identification of Hydro-morphological parameters to which the aquatuc ecosystems is sensitive |
1267 | Endocrine Modulating Effects of Wastewater Treatment Works Effluents: 'Sensitive Windows' for inducing germ-cell intersex in the Roach (Rutilus rutilus) |
1268 | Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D |
1269 | NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging |
1270 | Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government |
1271 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report |
1272 | River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region |
1273 | The Development of a Methodology to Assess Population Doses from Multiple Sources and Exposure Pathways of Radioactivity |
1274 | The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995 |
1275 | Water wise : are you pouring money down the drain? (Bilingual) : Doeth a dwr : ydych chi'n tywallt arian i lawr y draen? |