501 | Alternative Methods For The Biological Classification Of Rivers |
502 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
503 | Medway Estuary fisheries survey 2000 : (incorporating the report for 1997 to 2000) |
504 | Land Use and Fisheries Report of the Pilot Study |
505 | A Review of the Brogboroughand Landfill 2000 Test Cells Monitoring Data |
506 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
507 | The Identification of Oestrogenic Effects in Wild Fish - Phase II |
508 | Attenuation of nitrate in the sub-surface environment |
509 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
510 | Guardians of the water environment (NRA Thames Region) |
511 | What's happening in the Midlands region : looking at our environment |
512 | Wyre estuary shoreline management plan : the Environment Agency's contribution to sustainable development |
513 | Your guide to the Environment Agency - Thames Region - South East Area |
514 | Audit report on the 1995 GQA biological survey |
515 | Final report of the Stock Assessment Task Group |
516 | A report on the use of pesticides at two Hampshire watercress farms |
517 | Some guidance on the use of digital environmental data |
518 | Charging for discharges scheme : guidance to the power generation industry |
519 | Narrowboats on the Thames : useful hints and tips |
520 | Second annual review of the Lower Bristol Avon catchment management plan |
521 | Second annual review of the Upper Bristol Avon catchment management plan |
522 | The River Avon and its tributaries near Malmesbury : river management studies |
523 | Eel and elver studies in the Severn : interim report (256/6/ST) |
524 | Fishery survey of the Bridgwater and Taunton Canal |
525 | Air dispersion climate from the Castle Cement works at Ribblesdale |