| Title | Authors | Year | 
|---|---|---|
| Sphagnum species and polluted environments, past and future | 
                               Lee, J.A.;…  | 
                                                                                        1993 | 
| Zinc Phytotoxicity | 
                               Chaney, R.…  | 
                                                                                        1993 | 
| Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees. | 
                               Cape, J.N…  | 
                                                                                        1993 | 
| Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development | 
                               Corraddi, M…  | 
                                                                                        1993 | 
| How Britain hides its acid soil | 
                               Pearce, F…  | 
                                                                                        1993 | 
| SSSIs in England at risk from acid rain | 
                               Bissett, K…  | 
                                                                                        1993 | 
| The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia). | 
                               Griffiths,…  | 
                                                                                        1993 | 
| The exchange of ammonia between the atmosphere and plant communities. | 
                               Sutton, M.A…  | 
                                                                                        1993 | 
| Estimating the relative contribution of SOx, NOx and NHx inputs to effects of atmospheric deposition | 
                               Sutton, M.A…  | 
                                                                                        1993 | 
| Review of the impact of current and future acid deposition in Wales | 
                               Reynolds, B…  | 
                                                                                        1993 |