| Title | Authors | Year | 
|---|---|---|
| Effects of airborne fluoride emissions in Wales, Part 2 | 
                               Perkins, D.…  | 
                                                                                        1987 | 
| Sensitivity of toad tadpoles, Bufo melanostictus (Schneider), to heavy metals | 
                               Khangarot,…  | 
                                                                                        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 | 
| Individual and combined toxicity of manganese and molybdenum to mussel, Mytilus edulis, larvae | 
                               Morgan, J.…  | 
                                                                                        1986 | 
| Boron deposition on soil and native vegetation from geothermal emissions | 
                               Lang, F. J…  | 
                                                                                        1986 | 
| Vesicular-Arbuscular Mycorrhizae Decrease Zinc-Toxicity to Grasses Growing in Zinc-Polluted Soil. | 
                               Dueck, T.A…  | 
                                                                                        1986 | 
| The quantities of cadmium, lead, mercury and arsenic entering the U.K. environment from human activities | 
                               Hutton, M…  | 
                                                                                        1986 | 
| The history of the countryside | 
                               Rackham, O…  | 
                                                                                        1986 |