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276The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update
2771995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
278Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS)
279The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates
280The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales
281The 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
282The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
283Audit 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
284Measures to safeguard public water supplies : a second report to the Secretary of State for the Environment on the drought of 1995
285The Movements of Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Lower River and Estuary of the River Conwy, North Wales
286Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993
287Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme
288A study of the mayfly parasite Spiriopsis adipophila, Arvy and Peters (1972) (=Sprininella adipophila, Arvy and Delage 1966) in Ephemera danica from the River Pang, a tributary of the River Thames
289A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive
290Meiofaunal 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
291Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2010-2011
292The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry
293Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir
294Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2013-2014
295Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2011-2012
296Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2012-2013
297Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2012-2013
298Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996
299The biology of the sea trout. Summary of a symposium held at Plas Menai 24-26 October 1984
300Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997)