526 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
527 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
528 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
529 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
530 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
531 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
532 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
533 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
534 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
535 | The River Eden Demonstration Test Catchment (DTC) Data |
536 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
537 | Environmental snapshot for the East of England [version 1] |
538 | The regulation of salmon angling in Great Britain
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539 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
540 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
541 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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542 | Dead zones, live markers: the biological environments of larger U.K. Rivers
|
543 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
544 | The evaluation of Grant/YSU 3800 water quality monitor |
545 | PVC : an evaluation using the Natural Step framework |
546 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
547 | Landfill and the water environment : NRA position statement |
548 | The vision for our environment : making it happen |
549 | Environment Agency guidance on the conditioning of intermediate level waste |
550 | Pesticides in the aquatic environment 1997 full report |