| Title | Authors | Year | 
|---|---|---|
| Effects of experimental acidification, nitrogen addition and liming on ground vegetation in a mature stand of Norway spruce (Picea abies (L.) Karst.) in SE Sweden | 
                               Hallbdcken…  | 
                                                                                        1998 | 
| Sensitive bioassays for risk assessment of contaminated soils | 
                               Vaughan, G…  | 
                                                                                        1998 | 
| Effects of ozone on wild plants | 
                               Davison, A.…  | 
                                                                                        1998 | 
| The nitrogen content of upland rivers in Britain: the significance of organic N | 
                               Chapman, P.…  | 
                                                                                        1998 | 
| Differential effects of ammonium nitrate on three heathland species | 
                               De Graaf, M…  | 
                                                                                        1998 | 
| Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: The pitfalls of biological monitoring | 
                               Dobben, H.F…  | 
                                                                                        1998 | 
| Nitrogen deposition and ectomycorhizas | 
                               Wallenda, T…  | 
                                                                                        1998 | 
| River Quality in Northern Ireland 1995 | 
                               Service,…  | 
                                                                                        1998 | 
| Sulphur isotopic investigation of a polluted raised bog and the uptake of pollutant sulphur by Sphagnum | 
                               Thompson, A…  | 
                                                                                        1998 | 
| Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability | 
                               Sutton, M.A…  | 
                                                                                        1998 |