51 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire; |
52 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
53 | The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997; |
54 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
55 | The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1996; |
56 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
57 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
58 | Study of the behaviour and impact of two sewage treatment works of the Thames catchment |
59 | Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works |
60 | Project record for the review and statistical analysis of the baseline coastal waters survey |
61 | The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey |
62 | Swords water quality study - phase 1 : modelling the water quality of the River Thames |
63 | Investigate the feasibility of applying quality methods and standards within the water resources function. |
64 | Investigation into the chemicals present and entering the Stover Lake, Stover Country Park |
65 | Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland |
66 | An investigation into the water quality of the River Waldon during wet weather |
67 | The environmental impact of the foot and mouth disease outbreak: and interim assessment |
68 | Integrated appraisal of the Environment Agency's water quality policies : role of the FWR manual |
69 | A review of the performance of Aldershot STW and its effect on the River Blackwater |
70 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
71 | Riverside litter : results of the 1990 campaign and a strategy for the future |
72 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |
73 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
74 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
75 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |