4526 | The River Colne Estuary subtidal biological survey 1992 |
4527 | The use of fertilizer-free buffer strips to protect dyke flora from nitrate pollution on Walland Marsh S.S.S.I |
4528 | Effects of Electric Fishing on Fish - Technical Summary |
4529 | Crayfish conservation (378/8/N) : interim report for 1993 |
4530 | Crangonyx pseudogracilis and Gammarus pulex |
4531 | Fate and transport of phage and viruses in UK Permo-Triassic sandstone aquifers |
4532 | Waterways Breeding Bird Survey: progress and population trends: 1998 |
4533 | Control of substances hazardous to health : (COSHH) regs 1988. Interpretation and implementation |
4534 | Development of tools for assessing genotoxicity |
4535 | Environment Agency special waste statistics 1994-7 |
4536 | EC dangerous substances directive : formal monitoring programme 1994 |
4537 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
4538 | Gandolf Thunderstorm Warning Project |
4539 | Alternative Farming Methods A Study of the Effects of an Integrated Arable Mgment System on Levels of Herbicide and Nutrients Reaching 'Controlled Waters' |
4540 | Business strategy : final Aug 1998 |
4541 | Time of travel studies : average and high flows River Ock |
4542 | Flood defence (NRA Severn-Trent 59)
|
4543 | Scoping guidance for the environmental assessment of projects |
4544 | 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 |
4545 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
4546 | Riparian and instream species-habitat relationships (291/3/W) |
4547 | River Lark : biological monitoring 1989-91, RE Isleham WTW |
4548 | The physical character of rivers and streams in the UK and Isle of Man |
4549 | Serratella ignita |
4550 | A wetland framework for impact assessment at statutory sites in England and Wales |