5201 | Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight |
5202 | River Adur : fact files 6 |
5203 | Strategic review of development and flood risk : Louth coastal catchments |
5204 | Dinobryon Species |
5205 | Policy and practice for the protection of groundwater - Anglian Region appendix |
5206 | Fisheries Recreation, conversation and navigation |
5207 | Conservation fact file (3/9) |
5208 | Use of airborne remote sensing to assist with industrial site monitoring risk assessment and detection of change : final draft |
5209 | Fisheries statistics 1996 : salmonid and freshwater fisheries statistics for England and Wales |
5210 | Managing water resources NRA |
5211 | Mean Trophic Rank: A User's Manual |
5212 | National Rivers Authority annual report and accounts 1990/91 |
5213 | 'Sea Vigil' water quality monitoring : the East Anglian coast 1994 |
5214 | River Severn upper reaches catchment management plan : first annual review : July 1995 - June 1996 |
5215 | Technical Summary - Quantifying Point Source Inputs of Pesticides to River Catchments |
5216 | 1996 Hit Lists, Final Draft Annex 1A High Load Hit List |
5217 | Rhyzophydium |
5218 | River Welland navigation |
5219 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
5220 | The Identification of Oestrogenic Effects in Wild Fish |
5221 | Environmental appraisal of Derwentwater low water levels : Volume 1 : hydrological and geological study |
5222 | Social impacts of stormwater management techniques including river management and SUDS |
5223 | Ecdyonurus dispar |
5224 | Annual N2O measurements and associated data: AC0213, Devon, 2011 |
5225 | Rhodochorton (Audouinella), |