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176A 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
177The 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
1781995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
179The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates
180The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry
181Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997)
182Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
183An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
184River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man
185The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions
186A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89
187Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system
188Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual)
189Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region
190A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994
191An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06
192Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994
193Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example
194An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989
195Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region
196An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
197Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region
198A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
199An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999
200An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001