| 6401 | Upper Fal Estuary urban waste water treatment directive sensitive area (eutrophic) designation : final draft report |
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| 6402 | General Quality Assessment (GQA) South Wessex Area 1994 |
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| 6403 | Water wise : a water saving guide for NRA offices |
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| 6404 | Annual classification of river water quality 1992 |
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| 6405 | Fishery byelaws 1992 |
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| 6406 | Time of travel studies : average and high flows River Ock |
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| 6407 | Scoping guidance for the environmental assessment of projects |
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| 6408 | A study of the mayfly parasite Spiriopsis adipophila, Arvy and Peters (1972) (=Sprininella adipophila, Arvy and Delage 1966) in Ephemera danica from the River Pang, a tributary of the River Thames |
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| 6409 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
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| 6410 | Oxford structures fisheries survey 1992 |
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| 6411 | Riparian and instream species-habitat relationships (291/3/W) |
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| 6412 | River Lark : biological monitoring 1989-91, RE Isleham WTW |
|---|
| 6413 | The physical character of rivers and streams in the UK and Isle of Man |
|---|
| 6414 | Serratella ignita |
|---|
| 6415 | A monitoring methodology for wetlands |
|---|
| 6416 | A wetland framework for impact assessment at statutory sites in England and Wales |
|---|
| 6417 | River catchment management plans : marsh dykes ecology survey : appraisal report |
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| 6418 | River Severn upper reaches catchment management plan : second annual review : July 1996 - July 1997 |
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| 6419 | The drought of 1988-1992 in Anglia : a review |
|---|
| 6420 | An assessment of water quality an Nansmellyn Marsh |
|---|
| 6421 | Life in rivers |
|---|
| 6422 | An Analytical And Descriptive Model Of Sustainable Development |
|---|
| 6423 | Biogeochemical Controls on Phosphorus Cycling Between Sediment and Water in Estuaries |
|---|
| 6424 | Definition of the Extent and Vertical Range of Saltmarsh |
|---|
| 6425 | Sea Trout Investigations Phase 1 Final Report |
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