226 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
227 | Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary |
228 | Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group |
229 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
230 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
231 | Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
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232 | Report 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 |
233 | A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972. |
234 | The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update |
235 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
236 | The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales |
237 | The new waterlands? Proceedings of a one day seminar organised by the Sussex Wildlife Trust as part of the RSNC Wildlife Trusts Parnership Water For Wildlife campaign |
238 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
239 | Audit 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 |
240 | Measures to safeguard public water supplies : a second report to the Secretary of State for the Environment on the drought of 1995 |
241 | Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team |
242 | Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993 |
243 | Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme |
244 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
245 | Warming to the idea : meeting the challenge of climate change in the South West : summary report : south west region climate change impacts scoping study |
246 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
247 | Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region |
248 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
249 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2010-2011 |
250 | Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir |