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551The regulation of salmon angling in Great Britain
552Disturbing the season's due: plankton periodicity in Grassmere, 1987
553The Evaluation of Acoustic Doppler Current Profiler Equipment
554Modelling phytoplankton development in the proposed Cardiff Bay Barrage
555Dead zones, live markers: the biological environments of larger U.K. Rivers
556The Impact Of Particulate Outputs Associated With Timber Harvesting
557The evaluation of Grant/YSU 3800 water quality monitor
558PVC : an evaluation using the Natural Step framework
559Recommendations For The Processing And Presentation Of Groundwater Quality Data
560Landfill and the water environment : NRA position statement
561The vision for our environment : making it happen
562Environment Agency guidance on the conditioning of intermediate level waste
563Quality audit of biological samples for the 1991 river quality survey
564Pesticides in the aquatic environment 1997 full report
565The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994
566Quantification of the relationship between effluent quality and biological quality : final report
567Charging for discharges scheme : guidance to the agricultural industry
568Priority and other specific polluting substances and the Water Framework Directive
569'Sea Vigil' water quality monitoring : the Humber estuary 1994
570Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
571An Aerial Photograph of Ferry House and The Pearsall Building
572Review of existing practices for fluvial grass management throughout the NRA (213/1/Y)
573The interpretation of rod and net catch data
574Research and development in the Environment Agency : a short guide
575Problems with sea trout and salmon in the Western Highlands