| Title | Authors | Year | 
|---|---|---|
| Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales | 
                               Stevens, P.…  | 
                                                                                        1993 | 
| Reproduction in two submersed macrophytes declines progressively at low pH. | 
                               Titus, J.E…  | 
                                                                                        1993 | 
| Review of the impact of current and future acid deposition in Wales | 
                               Reynolds, B…  | 
                                                                                        1993 | 
| The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales | 
                               Farmer, A.M…  | 
                                                                                        1993 | 
| Air Pollution and Tree Health in the United Kingdom | 
                               DOE, .  | 
                                                                                        1993 | 
| Critical Loads - Concepts and Applications | 
                               Cresser, M.…  | 
                                                                                        1993 | 
| Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements | 
                               Loch, J ;…  | 
                                                                                        1993 | 
| Critical loads for peat soils | 
                               Cresser, M.…  | 
                                                                                        1993 | 
| Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil | 
                               Houdijk, A.…  | 
                                                                                        1993 | 
| Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain | 
                               Woodin, S.J…  | 
                                                                                        1993 |