| Title | Authors | Year | 
|---|---|---|
| Effects of nutrient addition and acidification on plant species diversity and seed germination in heathland. | 
                               Roem, W.J…  | 
                                                                                        2002 | 
| Environmental Health Criteria 227: Fluorides | 
                               WHO,  | 
                                                                                        2002 | 
| Monitoring with Lichens - Monitoring Lichens | 
                               Van Herk, C…  | 
                                                                                        2002 | 
| Whole ecosystem N manipulation: An updated review | 
                               Cunha, A…  | 
                                                                                        2002 | 
| Growth of Norway spruce (Picea abies) in relation to the AOT40 index. | 
                               Skarby, L…  | 
                                                                                        2002 | 
| UK Greenhouse Gas Inventory | 
                               NetCen,  | 
                                                                                        2002 | 
| Upland plant communities - sensitivity to change | 
                               Milne, J.A…  | 
                                                                                        2001 | 
| Estimating toxic damage to soil ecosystems from soil organic matter profiles | 
                               Beyer, W. N…  | 
                                                                                        2001 | 
| Limnology: lake and river ecosystems | 
                               Wetzel, R.G…  | 
                                                                                        2001 | 
| Beneficial effects of the growth of metal tolerant grass on biological and chemical parameters in copper and zinc contaminated sandy soils | 
                               Bouwman, L…  | 
                                                                                        2001 |