| Title | Authors | Year | 
|---|---|---|
| Long-term changes in fish populations of acid streams and lochs in Galloway south West Scotland. | 
                               Harriman, R…  | 
                                                                                        1987 | 
| Effects of airborne fluoride emissions in Wales, Part 2 | 
                               Perkins, D.…  | 
                                                                                        1987 | 
| Effects of Persistent Volcanic Ash on Douglas-fir in Northern Idaho | 
                               Bilderback…  | 
                                                                                        1987 | 
| Macro-floral assemblages in upland Welsh streams in relation to acidity and their importance to invertebrates. | 
                               Ormerod, S.…  | 
                                                                                        1987 | 
| The role of catostropic death of Calluna in heathland dynamics | 
                               Marrs, R.H…  | 
                                                                                        1986 | 
| A new fumigation method for measuring the effects of sulphur dioxide on photosynthisis of bryophytes and lichens | 
                               Takaoki, T…  | 
                                                                                        1986 | 
| Air pollution injury to vegetation | 
                               Taylor, H.J…  | 
                                                                                        1986 | 
| Vesicular-Arbuscular Mycorrhizae Decrease Zinc-Toxicity to Grasses Growing in Zinc-Polluted Soil. | 
                               Dueck, T.A…  | 
                                                                                        1986 | 
| The history of the countryside | 
                               Rackham, O…  | 
                                                                                        1986 | 
| The quantities of cadmium, lead, mercury and arsenic entering the U.K. environment from human activities | 
                               Hutton, M…  | 
                                                                                        1986 |