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401The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales
402The 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
403The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
404Audit 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
405Measures to safeguard public water supplies : a second report to the Secretary of State for the Environment on the drought of 1995
406Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team
407The 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
408Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993
409Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme
410A 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
411Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme
412A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive
413Assessment 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
414Investigations 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
415Meiofaunal 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
416Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges
417Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2010-2011
418The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry
419Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir
420Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2013-2014
421Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2011-2012
422Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2012-2013
423Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2012-2013
424Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996
425The biology of the sea trout. Summary of a symposium held at Plas Menai 24-26 October 1984