651 | Guidance on the use of Bioassays in Ecological Risk Assessment |
652 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
653 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
654 | Pesticides in the aquatic environment 1997 : executive summary |
655 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
656 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
657 | The Louth coastal catchment management plan : final report |
658 | Snapshots of the environment : a new environmental approach |
659 | Draft protocol for the derivation of Toxicity Based Consents |
660 | The Loddon catchment, Thames : recommendations for statutory water quality objectives |
661 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
662 | Second Coniston OS map related to the Seismic Survey 1983 |
663 | Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
664 | Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
665 | Coniston OS map related to the Seismic Survey 1983 |
666 | Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework |
667 | Policy and practice for the protection of groundwater : Southern region appendix |
668 | Uses of the water environment: factsheet number six |
669 | River basin planning and the Water Framework Directive |
670 | The Adur and Ouse catchment abstraction management strategy : consultation document |
671 | (Bilingual) Assessing the impact of dewatering on water resources |
672 | Catches of Brown Trout in the River Don |
673 | Biodiversity strategy and action plan for the Environment Agency (Thames Region) |
674 | Biological water quality monitoring in the Midlands region |
675 | A natural assets register for the Sankey catchment. Volume 2 |