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