551 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
552 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
553 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
554 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
555 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
556 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
557 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
558 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
559 | Environmental snapshot for the East of England [version 1] |
560 | The regulation of salmon angling in Great Britain
|
561 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
562 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
563 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
|
564 | Dead zones, live markers: the biological environments of larger U.K. Rivers
|
565 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
566 | The evaluation of Grant/YSU 3800 water quality monitor |
567 | PVC : an evaluation using the Natural Step framework |
568 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
569 | Landfill and the water environment : NRA position statement |
570 | The vision for our environment : making it happen |
571 | Environment Agency guidance on the conditioning of intermediate level waste |
572 | Pesticides in the aquatic environment 1997 full report |
573 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
574 | The precious resource : a brief guide to managing our water resources |
575 | Priority and other specific polluting substances and the Water Framework Directive |