701 | Contribution of small streams to potential fish production in the Conwy catchment |
702 | NRA strategy for reducing the concentration of pesticides in controlled waters |
703 | The ecology and management of riverine trees : interim report |
704 | Low-cost modifications of the Crump weir to improve fish passage |
705 | Policy and practice for the protection of groundwater - Thames region appendix |
706 | Policy and practice for the protection of floodplains |
707 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
708 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
709 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
710 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
711 | Guidance on the use of Bioassays in Ecological Risk Assessment |
712 | The National Rivers Authority employee attitude survey : summary |
713 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
714 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
715 | Pesticides in the aquatic environment 1997 : executive summary |
716 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
717 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
718 | Fine sediment deposition in the River Keer : geomorphological assessment |
719 | Snapshots of the environment : a new environmental approach |
720 | Draft protocol for the derivation of Toxicity Based Consents |
721 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
722 | Second Coniston OS map related to the Seismic Survey 1983 |
723 | Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
724 | Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
725 | Coniston OS map related to the Seismic Survey 1983 |