| 426 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 427 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 428 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 429 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 430 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 431 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 432 | PVC : an evaluation using the Natural Step framework |
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| 433 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 434 | Landfill and the water environment : NRA position statement |
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| 435 | The vision for our environment : making it happen |
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| 436 | Environment Agency guidance on the conditioning of intermediate level waste |
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| 437 | Pesticides in the aquatic environment 1997 full report |
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| 438 | The precious resource : a brief guide to managing our water resources |
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| 439 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 440 | Charging for discharges scheme : guidance to the agricultural industry |
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| 441 | Priority and other specific polluting substances and the Water Framework Directive |
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| 442 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 443 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 444 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 445 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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| 446 | The interpretation of rod and net catch data |
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| 447 | Research and development in the Environment Agency : a short guide |
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| 448 | Problems with sea trout and salmon in the Western Highlands |
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| 449 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 450 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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