| 476 | High level principles for OPRA-based schemes : guidance on the development and implementation of risk rating and regulatory resource planning systems in the Environment Agency |
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| 477 | Catch and release: the survival and behaviour of Atlantic salmon angled and returned to the Aberdeenshire Dee, in spring and early summer |
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| 478 | Spring salmon : a review of factors affecting the abundance and catch of spring salmon from the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 479 | Local environment focus : issues in and around Derby, Matlock, Buxton, Bakewell, Belper and the Derbyshire Dales Issue 3 : Environment Agency Newsletter for the Derbyshire Derwent Catchment October 2003 |
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| 480 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
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| 481 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
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| 482 | The mobilization and release of mercury, copper, iron, manganese and selenium from contaminated sediment as a result of dredging : laboratory simulation studies : interim report to the National Rivers Authority Anglian Region |
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| 483 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
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| 484 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
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| 485 | Effective flood warning the Australian way : the Winston Churchill Travelling Fellowship visit to Australia and New Zealand 23 October - 27 November 1994 |
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| 486 | Report for Anglian Water, NRA Unit on the inclusion of storm water overflows into the Orwell Estuary model, and its use to predict limits for SWO discharges |
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| 487 | A review of factors affecting the abundance and catch of spring salmon fom the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 488 | Recorded rainfall data in the Wensum Catchment between 2010 and 2015 (hourly resolution) |
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| 489 | Protocol on "managing waste" : memorandum of understanding between Local Government Association and the Environment Agency |
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| 490 | Front Cover of Some Methods for the Statistical Analysis of Samples of Benthic Invertebrates |
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| 491 | Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
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| 492 | Invertebrates of Esthwaite in relation to development of fish farming in the South Basin |
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| 493 | Review of Literature on the Effect on Aquatic Communities of Particulate Copper in River Systems
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| 494 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 495 | Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991 |
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| 496 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
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| 497 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
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| 498 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
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| 499 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
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| 500 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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