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4701Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
4702Monitoring of rivers and effluents
4703Environmental Protection Act 1990 Best Practical Environmental Option and Other Assessment Methods: Case Study Comparisons
4704The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995
4705Impact assessment of Meldon quarry on water quality in the West Okement river
4706River Strat catchment river water quality classification 1991
4707Report on the quality of bathing waters 1990
4708Isle of Wight catchment management plan : consultation report
4709Spring Carp Mortality Syndrome (SCMS) Transmission Study
4710River catchment management plans : data report
4711Hampshire salmon investigation report on salmon radio tracking 1991
4712Focus on Biodiversity Update 2002
4713R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report
4714Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson
4715River Corridor Surveys
4716Technical services available to NRA staff
4717Land drainage consent report : investigation of the conservation input into land drainage consents
4718Regional water resource review
4719Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment
4720Flood defence levels of service : stage 2 annex B (Note 127) : land use assessment
4721The rehabilitation of the River Taff
4722Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida
4723The government's policy for a public regulatory body in a privatised water industry
4724Bideford flood plan : public information leaflet
4725Upper Lee catchment management plan : final plan : September 1994