| Title | Authors | Year | 
|---|---|---|
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. | 
                               Van Dobben…  | 
                                                                                        1999 | 
| The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites | 
                               Williams, B…  | 
                                                                                        1999 | 
| Phytoaccumulation of trace elements by wetland plants II Water hyacinth | 
                               Zhu, Y. L…  | 
                                                                                        1999 | 
| Influences of anthropogenic pollution on mycorrhizal fungal communities | 
                               Cairney, J.…  | 
                                                                                        1999 | 
| Ozone stimulates protonematal growth and gametophore production in Polytrichum commune | 
                               Petersen, R…  | 
                                                                                        1999 | 
| Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions | 
                               González, A…  | 
                                                                                        1999 | 
| Global amphibian declines: A problem in applied ecology | 
                               Alford, R.A…  | 
                                                                                        1999 | 
| Oak forest development as a result of historical land-use patterns and present N deposition | 
                               Tyburk, K…  | 
                                                                                        1999 | 
| Cronartium flaccidum fruitbody production on Melampyrum spp and some important alternate hosts to pine. | 
                               Kaitera, J…  | 
                                                                                        1999 | 
| Action for Scotland's Biodiversity | 
                               Usher, (Eds…  | 
                                                                                        1999 |