576 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
577 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
578 | The Mersey estuary : a report on environmental quality |
579 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
580 | Catches of migratory fish in the River Don, Aberdeenshire |
581 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
582 | The 1990 river and estuary classification survey of England and Wales |
583 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
584 | An Independent Review of the Defra/EA Research and Development Joint |
585 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
586 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
587 | General guide to the prevention of water pollution |
588 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
589 | Life cycle assessment of disposable and reusable nappies in the UK |
590 | Managing the social aspects of flooding: Synthesis Report |
591 | Model For Investigating The Impacts Of Groundwater Abstraction |
592 | National guidelines for the production of NRA regions 1990/91 regional plans |
593 | Operational mechanisms for the protection and enhancement of headwaters |
594 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
595 | Strategic review of development and flood risk : the River Welland catchment |
596 | Strategic review of development and flood risk : the River Witham catchment |
597 | Survey of copper speciation in the Great Ouse estuary |
598 | Sustainable development indicators : monitoring change in the East Midlands |
599 | Technical Support Materials for the Regulation of Radioactively Contaminated Land |
600 | The impact of climate change on severe droughts: Implications for decision making |