| Title | Authors | Year | 
|---|---|---|
| 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 | 
| Review of the impact of current and future acid deposition in Wales | 
                               Reynolds, B…  | 
                                                                                        1993 | 
| Estimating the relative contribution of SOx, NOx and NHx inputs to effects of atmospheric deposition | 
                               Sutton, M.A…  | 
                                                                                        1993 | 
| The effects of dust on vegetation - a review | 
                               Farmer, A.M…  | 
                                                                                        1993 | 
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response | 
                               Grunhage, L…  | 
                                                                                        1993 | 
| Insects and Pollution | 
                               Helivvaara…  | 
                                                                                        1993 | 
| Reproduction in two submersed macrophytes declines progressively at low pH. | 
                               Titus, J.E…  | 
                                                                                        1993 | 
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. | 
                               Bobbink, R…  | 
                                                                                        1993 |