4301 | Monitored TP and TRP concentrations at Ebble downtream site, Hampshire Avon catchment |
4302 | Grafham Water : biological monitoring re : FeSO4 dosing supplementary report : Nov. 1992-Jan.1993 |
4303 | Guide to freshwater fishing in the Northern area of Anglian Region |
4304 | River quality survey NRA Northumbria and Yorkshire region GQA assessment 1994. Part 2 sample point report |
4305 | Proposed water protection zone (River Dee catchment) designation order |
4306 | Fertiliser application dates: AC0116, Warwickshire, 2013 |
4307 | River Adur : fact files 6 |
4308 | Dinobryon Species |
4309 | Fisheries statistics 1996 : salmonid and freshwater fisheries statistics for England and Wales |
4310 | Managing water resources NRA |
4311 | Mean Trophic Rank: A User's Manual |
4312 | Technical Summary - Quantifying Point Source Inputs of Pesticides to River Catchments |
4313 | 1996 Hit Lists, Final Draft Annex 1A High Load Hit List |
4314 | Rhyzophydium |
4315 | River Welland navigation |
4316 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
4317 | The Identification of Oestrogenic Effects in Wild Fish |
4318 | Ecdyonurus dispar |
4319 | Annual N2O measurements and associated data: AC0213, Devon, 2011 |
4320 | Rhodochorton (Audouinella), |
4321 | Guidance on the assessment and interrogation of subsurface analytical contaminant fate and transport models (NC/99/38/1) |
4322 | Technical and economic review of cement and lime process : a report to the Environment Agency |
4323 | Regional water quality monitoring and surveillance programme for 1992 : quality assessment of enclosed waters |
4324 | River Cole fisheries survey 1992 |
4325 | The Restoration of Vegetation on Saltmarshes |