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226A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan
227Towards the sustainable use of material resources : an evaluation using the natural step framework
228Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report
229Running with the tide : reconciling development pressures with flood risk and the environment
230Review of flood defence practices on the Somerset Levels and Moors : the appendices
231Review of flood defence practices on the Somerset Levels and Moors : the report
232Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary
233The physical character of rivers and streams in the UK and Isle of Man
234Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report
235The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation
236A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study
237A brief history of the River Stour navigation : 1705 to the present day
238The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish
239Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
240The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England;
241A review of the use of multifunction wardens in the Devon Area of the South Western Region of the National Rivers Authority, with particular reference to their use within the fisheries function
242A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids
243Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
244Report on the national marine analytical quality control scheme 1992/93 (MPMMG 93/12) : presented to the October 1993 meeting of the Marine Pollution Monitoring Management Group
245A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972.
246The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update
2471995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
248The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates
249The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales
250Audit surveys in the NRA Thames region : a report on the surveys carried out in 1992/93 to assess the retention and enhancement of wildlife habitats during routine dredging operations