5226 | Policy and practice for the protection of groundwater - Anglian Region appendix |
5227 | Fisheries Recreation, conversation and navigation |
5228 | Conservation fact file (3/9) |
5229 | Use of airborne remote sensing to assist with industrial site monitoring risk assessment and detection of change : final draft |
5230 | Fisheries statistics 1996 : salmonid and freshwater fisheries statistics for England and Wales |
5231 | Managing water resources NRA |
5232 | Mean Trophic Rank: A User's Manual |
5233 | National Rivers Authority annual report and accounts 1990/91 |
5234 | 'Sea Vigil' water quality monitoring : the East Anglian coast 1994 |
5235 | River Severn upper reaches catchment management plan : first annual review : July 1995 - June 1996 |
5236 | Technical Summary - Quantifying Point Source Inputs of Pesticides to River Catchments |
5237 | 1996 Hit Lists, Final Draft Annex 1A High Load Hit List |
5238 | Rhyzophydium |
5239 | North West recreation, biology and conservation annual report 2000-2001 |
5240 | River Welland navigation |
5241 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
5242 | The Identification of Oestrogenic Effects in Wild Fish |
5243 | Environmental appraisal of Derwentwater low water levels : Volume 1 : hydrological and geological study |
5244 | Social impacts of stormwater management techniques including river management and SUDS |
5245 | Ecdyonurus dispar |
5246 | Annual N2O measurements and associated data: AC0213, Devon, 2011 |
5247 | Rhodochorton (Audouinella), |
5248 | Environment Agency Anglian region : Central area business plan 2001/02 |
5249 | Guidance on the assessment and interrogation of subsurface analytical contaminant fate and transport models (NC/99/38/1) |
5250 | NRA corporate plan 1994/95 : catchment management planning 5 year programme and timetable |