| Title | Authors | Year | 
|---|---|---|
| The acute lethal toxicity of heavy metals to peracarid crustaceans (with particular reference to fresh-water Asellids and Gammarids) | 
                               Martin, T.…  | 
                                                                                        1986 | 
| A new fumigation method for measuring the effects of sulphur dioxide on photosynthisis of bryophytes and lichens | 
                               Takaoki, T…  | 
                                                                                        1986 | 
| Changes in soil acidity from 1927-1982/84 in a forested area of south west Sweden | 
                               Hallbacken…  | 
                                                                                        1986 | 
| Soil acidification and vegetation changes in deciduous forest in Southern Sweden | 
                               Falkengren-…  | 
                                                                                        1986 | 
| Vesicular-Arbuscular Mycorrhizae Decrease Zinc-Toxicity to Grasses Growing in Zinc-Polluted Soil. | 
                               Dueck, T.A…  | 
                                                                                        1986 | 
| Air pollution injury to vegetation | 
                               Taylor, H.J…  | 
                                                                                        1986 | 
| The potential importance of an increased atmospheric nitrogen supply to the growth of ombrotrophic Sphagnum species | 
                               Press, M.C…  | 
                                                                                        1986 | 
| The role of catostropic death of Calluna in heathland dynamics | 
                               Marrs, R.H…  | 
                                                                                        1986 | 
| Field evidence for an acid rain effect on lichens | 
                               Gilbert, O.…  | 
                                                                                        1986 | 
| The history of the countryside | 
                               Rackham, O…  | 
                                                                                        1986 |