| 526 | Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : September 1995 |
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| 527 | National Centre for Risk Analysis and Options Appraisal guidance on economic appraisal in the Environment Agency |
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| 528 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
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| 529 | Old Bedford incorporating the Middle Level and Ouse Washes : first annual review - May 1999 |
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| 530 | An investigation of ecological change in the rivers Kennet and Lambourn. April 2001 - March 2002 |
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| 531 | Associations of wintering waterfowl with freshwater on the mudflats of East Anglian estuaries |
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| 532 | Visits to Cley-next-to-the-sea and Salthouse sea defences, King's Lynn sewage treatment works |
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| 533 | Valuing the environment (SD14) : report of a seminar held at Church House, Westminster, 7 July 1998 |
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| 534 | Partnership in environment protection : taking steps towards a better environment in the midlands |
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| 535 | Prioritising the Issues in Local Environment Agency Plans through Concensus Building with Stakeholder Groups |
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| 536 | Microbiological examination of water contact sports sites in the River Thames catchment 1989 |
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| 537 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
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| 538 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
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| 539 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
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| 540 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
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| 541 | Discharge monitoring in the Kennet catchment. Part 1 : ecological effects of sewage and trade effluents |
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| 542 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 543 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
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| 544 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 545 | Land drainage consent report : investigation of the conservation input into land drainage consents |
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| 546 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
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| 547 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 548 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
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| 549 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
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| 550 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
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