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1251Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
1252Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1253Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software
1254The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
1255Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1256Guidance to agency officers on the provision of technically competent management (multiple sites) at licensed waste facilities
1257Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2012
1258An investigation into the best method to combine national and local data to develop site-specific critical loads
1259Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report
1260Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987
1261Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight
1262Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996)
1263Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001)
1264The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1265Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software
1266River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region
1267River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ )
1268River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991
1269Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report
1270International Workshop On The Uses Of Backfill In Nuclear Waste Repositories, Carlsbad, New Mexico, Usa, May 1998
1271Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
1272River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire
1273The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995
1274EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect"
1275The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature