Skip to main content
#Title
151The Ecology and Conservation of the Southern Damselfly (Coenagrion mercuriale - Charpentier) in Britain
1521994 annual report on fisheries in the North West incorporating the annual summary of fishery statistics
153Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive
154Riverside litter : results of the 1990 campaign and a strategy for the future
155Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project
156Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme
157A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study
158An investigation into the effects of Alton sewage works on the River Wey North
159Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
160A brief history of the River Stour navigation : 1705 to the present day
161The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish
162Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
163A review of the use of multifunction wardens in the Devon Area of the South Western Region of the National Rivers Authority, with particular reference to their use within the fisheries function
164Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
1651995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
166The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates
167The 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
168A 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
169Assessment 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
170The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry
171Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997)
172Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region
173An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999
174An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
175A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish