51 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
52 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
53 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
54 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
|
55 | Landfill and the water environment : NRA position statement |
56 | Charging for discharges scheme : guidance to the agricultural industry |
57 | Snapshots of the environment : integrated river basin management |
58 | Water from the River Dee : a working partnership |
59 | Snapshots of the environment : understanding coastal water quality |
60 | The 1990 river and estuary classification survey of England and Wales |
61 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
62 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
63 | Snapshots of the environment : managing our freshwater fisheries |
64 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
65 | Contribution of small streams to potential fish production in the Conwy catchment |
66 | Policy and practice for the protection of floodplains |
67 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
68 | Pesticides in the aquatic environment 1997 : executive summary |
69 | Snapshots of the environment : a new environmental approach |
70 | The utilisation of stick-pile otter holts in south east Wales |
71 | The River Tywi catchment management plan : action plan (bilingual) |
72 | A strategy for the management of salmon in England and Wales |
73 | Water quality 2000 : a strategy for the water quality function |
74 | Wetlands for Wales : a strategy for the third millenium |
75 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |