551 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
552 | The regulation of salmon angling in Great Britain
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553 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
554 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
555 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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556 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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557 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
558 | The evaluation of Grant/YSU 3800 water quality monitor |
559 | PVC : an evaluation using the Natural Step framework |
560 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
561 | Landfill and the water environment : NRA position statement |
562 | The vision for our environment : making it happen |
563 | Environment Agency guidance on the conditioning of intermediate level waste |
564 | Quality audit of biological samples for the 1991 river quality survey |
565 | Pesticides in the aquatic environment 1997 full report |
566 | The precious resource : a brief guide to managing our water resources |
567 | Quantification of the relationship between effluent quality and biological quality : final report |
568 | Charging for discharges scheme : guidance to the agricultural industry |
569 | Priority and other specific polluting substances and the Water Framework Directive |
570 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
571 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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572 | An Aerial Photograph of Ferry House and The Pearsall Building |
573 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
574 | The interpretation of rod and net catch data |
575 | Research and development in the Environment Agency : a short guide |