226 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
227 | River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991 |
228 | Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight |
229 | River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region) |
230 | Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990 |
231 | Graphical representation of certain metals and organics concentrations versus flow rates for some of the rivers in Districts 3 and 6 |
232 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |
233 | Maidenhead, Windsor and Eton flood alleviation scheme - National Association of Flood Defence chairmen visit to the project site on 1 May 1991 |
234 | Local environment focus : local environmental issues in and around Nottingham, Derby, Newark-on-Trent, Gainsborough, Scunthorpe and Ilkeston. : Environment Agency newsletter for the Lower Trent and Erewash catchment, June 2003. |
235 | Local environment focus : local environmental issues in Leek, Ashbourne, Endon, Cheadle and Uttoxeter : Local Environment Agency Plan (LEAP) for the Dove : 2nd annual review |
236 | Local environment focus : local environmental issues in and around Leicester, Loughborough, Melton Mowbray, Shepshed, Narborough, Syston and Kegworth : Local Environment Agency Plan (LEAP) for the Soar : 3rd annual review : August 2001 |
237 | River Bovey and Bovey minor tributaries corridor survey : October-November 1990 : a report prepared for the National Rivers Authority (South West Region) |
238 | Local environment focus : local environmental issues in and around Mansfield, Worksop, East Retford, Maltby, Bawtry, Epworth and Thome : Local Environment Action Plan (LEAP) for the Idle and Torne : 1st annual review : November 2001 |
239 | Local environment focus : local environmental issues in and around Nottingham, Derby, Newark-on-Trent, Gainsborough, Scunthorpe and Ilkeston. : Local Environment Agency Plan (LEAP) for the Lower Trent and erewash : 2nd annual review July 2002 |