| Title | Authors | Year | 
|---|---|---|
| Ozone exposure thresholds and foliar injury on forest plants in Switzerland. | 
                               …  | 
                                                                                        2001 | 
| Slow recovery of boreal forest ecosystem following decreased nitrogen input | 
                               Strengbom,…  | 
                                                                                        2001 | 
| Cadmium uptake by plants | 
                               Smolders, E…  | 
                                                                                        2001 | 
| Bark pH and susceptibility to toxic air pollutants as independent causes of changes in epiphytic lichen composition in space and time | 
                               van Herk, C…  | 
                                                                                        2001 | 
| Effect of organic matter and liming on the reduction of cadmium uptake from soil by triticale and spring oilseed rape | 
                               Ciecko, Z…  | 
                                                                                        2001 | 
| Terrestrial ecosystem research in Europe: successes, challenges and policy | 
                               Hoosebeak,…  | 
                                                                                        2001 | 
| The sensitivity of peat-covered upland landscapes | 
                               Bragg, O.M…  | 
                                                                                        2001 | 
| Metal tolerance in wetland plants | 
                               McCabe, O.…  | 
                                                                                        2001 | 
| Changes in oak epiphytes monitored for 21 years along an air quality gradient into London | 
                               Bates, J.W…  | 
                                                                                        2001 | 
| Environmental Health Criteria 221 Zinc | 
                               WHO,  | 
                                                                                        2001 |