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351The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update
3521995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
353Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS)
354The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates
355The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales
356The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
357Audit 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
358Measures to safeguard public water supplies : a second report to the Secretary of State for the Environment on the drought of 1995
359Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team
360The 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
361Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993
362Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme
363A 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
364Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme
365A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive
366Assessment of Ivybridge mobile monitoring station and investigation of the water quality of the River Erme and the effect of Ivybridge Sewage Treatment works final effluent
367Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3
368Meiofaunal 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
369Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges
370Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2010-2011
371The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry
372Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2013-2014
373Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2011-2012
374Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2012-2013
375Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2012-2013