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4501Impact assessment of Meldon quarry on water quality in the West Okement river
4502River Strat catchment river water quality classification 1991
4503Report on the quality of bathing waters 1990
4504Spring Carp Mortality Syndrome (SCMS) Transmission Study
4505River catchment management plans : data report
4506Hampshire salmon investigation report on salmon radio tracking 1991
4507Focus on Biodiversity Update 2002
4508R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report
4509Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson
4510River Corridor Surveys
4511Technical services available to NRA staff
4512Land drainage consent report : investigation of the conservation input into land drainage consents
4513Regional water resource review
4514Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment
4515Flood defence levels of service : stage 2 annex B (Note 127) : land use assessment
4516The rehabilitation of the River Taff
4517Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida
4518The government's policy for a public regulatory body in a privatised water industry
4519Bideford flood plan : public information leaflet
4520Upper Lee catchment management plan : final plan : September 1994
4521Restoration of Riverine Trout Habitats - A Guidance Manual
4522Land Use and Fisheries: Results of Sediment Trapping in Artificial Salmon Redds, Winter 1999/2000
4523Applictions of Artificial Intelligence in River Quality Surveys
4524EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect"
4525River Ray, Wiltshire : fisheries survey 1989