76 | Conoeists' guide to the River Wye |
77 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
78 | Tidal waters strategic review : the status of tidal water operational activity within the Environment Agency |
79 | Using Macrophytes for the Environmental Assessment of Rivers: The Role of Sediment Nutrients |
80 | Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works |
81 | Action plan for the management of salmon for the River Test : consultation document |
82 | Getting afloat in the Midlands : a guide to using waterways in the region |
83 | The Ecology and Conservation of the Southern Damselfly (Coenagrion mercuriale - Charpentier) in Britain |
84 | 1994 annual report on fisheries in the North West incorporating the annual summary of fishery statistics |
85 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |
86 | Riverside litter : results of the 1990 campaign and a strategy for the future |
87 | The physical character of rivers and streams in the UK and Isle of Man |
88 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
89 | A brief history of the River Stour navigation : 1705 to the present day |
90 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
91 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
92 | A 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 |
93 | Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority |
94 | 1995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments |
95 | The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates |
96 | A 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 |
97 | Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997) |
98 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
99 | A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish |
100 | Brown trout habitat assessment on the River Bela catchment (as recommended by the strategic fisheries stock Assessment Task Group 1995) |