| Title | Authors | Year | 
|---|---|---|
| Estimating the uptake of traffic-derived NO2 from N-15 abundance in Norway spruce needles | 
                               Ammann, M…  | 
                                                                                        1999 | 
| Indicators of climate change in the UK | 
                               Cannell, M.…  | 
                                                                                        1999 | 
| Atmospheric deposition of acidifying and eutrophicating substances in dune slacks. | 
                               Sival, F.P…  | 
                                                                                        1999 | 
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. | 
                               Van Dobben…  | 
                                                                                        1999 | 
| Nitrogen deposition makes a minor contribution to carbon sequestration in temperate forests. | 
                               Nadelhoffer…  | 
                                                                                        1999 | 
| Environmental chemistry: End of acid reign? | 
                               Jenkins, A…  | 
                                                                                        1999 | 
| Phytoaccumulation of trace elements by wetland plants II Water hyacinth | 
                               Zhu, Y. L…  | 
                                                                                        1999 | 
| Ozone stimulates protonematal growth and gametophore production in Polytrichum commune | 
                               Petersen, R…  | 
                                                                                        1999 | 
| Influences of anthropogenic pollution on mycorrhizal fungal communities | 
                               Cairney, J.…  | 
                                                                                        1999 | 
| The resistance of the moss Polytrichum commune to acute exposure of simulated acid rain or ozone compared to two fern species: Spore germination | 
                               Bosley, A…  | 
                                                                                        1999 |