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551The River Eden Demonstration Test Catchment (DTC) Data
5521967 - IBP Lake George, Uganda - starting to build the bedroom block
553Environmental snapshot for the East of England [version 1]
554The regulation of salmon angling in Great Britain
555Disturbing the season's due: plankton periodicity in Grassmere, 1987
556The Evaluation of Acoustic Doppler Current Profiler Equipment
557Modelling phytoplankton development in the proposed Cardiff Bay Barrage
558Dead zones, live markers: the biological environments of larger U.K. Rivers
559The Impact Of Particulate Outputs Associated With Timber Harvesting
560The evaluation of Grant/YSU 3800 water quality monitor
561PVC : an evaluation using the Natural Step framework
562Recommendations For The Processing And Presentation Of Groundwater Quality Data
563Landfill and the water environment : NRA position statement
564The vision for our environment : making it happen
565Environment Agency guidance on the conditioning of intermediate level waste
566Quality audit of biological samples for the 1991 river quality survey
567Pesticides in the aquatic environment 1997 full report
568The precious resource : a brief guide to managing our water resources
569Quantification of the relationship between effluent quality and biological quality : final report
570Charging for discharges scheme : guidance to the agricultural industry
571Priority and other specific polluting substances and the Water Framework Directive
572Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
573An Aerial Photograph of Ferry House and The Pearsall Building
574Review of existing practices for fluvial grass management throughout the NRA (213/1/Y)
575The interpretation of rod and net catch data