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551The use of herbicides to control weeds in or near water
552Environmental impact of hypolimnial releases from Llyn Brianne
553Water plants : their function and management
554Review of Sea Trout Fecundity
555Effective flood warning the Australian way : the Winston Churchill Travelling Fellowship visit to Australia and New Zealand 23 October - 27 November 1994
556Pollution incidents report - 1998 : Lower Trent area, annex 4
557Risk assessment for sea and tidal defence schemes
558Wave attenuation over saltmarsh surfaces August 1996
559Alternative dairy farming systems to reduce pollution impact of nutrients : phosphorus (P2/575/1)
560North Cornwall coastal streams : catchment action plan
561Hydrogen Peroxide Dosing Trials, Lea Marston, 18 and 19 March 1996
562Pilot environmental audit : NRA Leigh, Tonbridge, district office : southern region
563Flood directory East Sussex Local Authority area
564Best Management Practices to Reduce Diffuse Pollution from Agriculture
565Impact Of Conifer Harvesting And Replanting On Upland Water Quality
566Fact sheet for the RBCA tool kit for chemical releases
567An investigation of sewage on the beach at Porthcothan
568Assessing and controlling the ecotoxicity of complex effluents
569East Solent Shoreline Management Plan Volume I
570Coln River levels study : project summary
571Streetley Chemicals/ Redland Bricks
572Study of ferruginous minewater impacts in Wales : phase 2a determination of remedial options : volume 2 : site reports
573Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993
574The impact of ferruginous minewater break-outs on the environmental quality of the Rivers Rhymney, Ebbw and Sirhowy : summary report
575Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991