| Title | Authors | Year | 
|---|---|---|
| Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems | 
                               Wilson, E.J…  | 
                                                                                        1999 | 
| Indicators of climate change in the UK | 
                               Cannell, M.…  | 
                                                                                        1999 | 
| Contaminant release from sediments in a coastal wetland | 
                               Lau, S. S.S…  | 
                                                                                        1999 | 
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata | 
                               Freitas, M…  | 
                                                                                        1999 | 
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. | 
                               Van Dobben…  | 
                                                                                        1999 | 
| Climate change scenarios for global impacts studies | 
                               Hulme, M.;…  | 
                                                                                        1999 | 
| Environmental Health Criteria 200 Copper | 
                               WHO,  | 
                                                                                        1998 | 
| Nutrient disturbance through manganese accumulation in Douglas fir | 
                               Kaus, A ;…  | 
                                                                                        1998 | 
| The phytoavailability of cadmium to lettuce in long-term biosolids-amended soils | 
                               Brown, S. L…  | 
                                                                                        1998 | 
| River Habitat Quality | 
                               Service,…  | 
                                                                                        1998 |