| Title | Authors | Year | 
|---|---|---|
| Action for Scotland's Biodiversity | 
                               Usher, (Eds…  | 
                                                                                        1999 | 
| Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia | 
                               Reimer, P.…  | 
                                                                                        1999 | 
| Leaf injury characteristics of grassland species exposed to ozone in relation to soil moisture condition and vapour pressure deficit. | 
                               Bungener, P…  | 
                                                                                        1999 | 
| Atmospheric deposition of acidifying and eutrophicating substances in dune slacks. | 
                               Sival, F.P…  | 
                                                                                        1999 | 
| Nitrogen deposition makes a minor contribution to carbon sequestration in temperate forests. | 
                               Nadelhoffer…  | 
                                                                                        1999 | 
| The effect of increased deposition of atmospheric N on Cv in upland Britain. | 
                               Carroll, J.…  | 
                                                                                        1999 | 
| Boron, zinc iron and managanese content in four grassland species | 
                               Adarve, M.…  | 
                                                                                        1998 | 
| Air pollution fades the plumage of the Great Tit | 
                               Eeva, T.; E…  | 
                                                                                        1998 | 
| River Habitat Quality | 
                               Service,…  | 
                                                                                        1998 | 
| Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring. | 
                               Van Dobben…  | 
                                                                                        1998 |