626 | Low-cost modifications of the Crump weir to improve fish passage |
627 | Policy and practice for the protection of groundwater - Thames region appendix |
628 | Policy and practice for the protection of floodplains |
629 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
630 | The Yarrow catchment : recommendations for statutory water quality objectives |
631 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
632 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
633 | Guidance on the use of Bioassays in Ecological Risk Assessment |
634 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
635 | Pesticides in the aquatic environment 1997 : executive summary |
636 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
637 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
638 | The Louth coastal catchment management plan : final report |
639 | Fine sediment deposition in the River Keer : geomorphological assessment |
640 | Snapshots of the environment : a new environmental approach |
641 | Draft protocol for the derivation of Toxicity Based Consents |
642 | The Loddon catchment, Thames : recommendations for statutory water quality objectives |
643 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
644 | Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework |
645 | Policy and practice for the protection of groundwater : Southern region appendix |
646 | Uses of the water environment: factsheet number six |
647 | River basin planning and the Water Framework Directive |
648 | The Adur and Ouse catchment abstraction management strategy : consultation document |
649 | First annual review of the River Exe catchment management plan |
650 | First annual review of the Taw/Torridge estuary catchment management plan (1996) |