| Title | Authors | Year | 
|---|---|---|
| The effects of low levels of nitrogen deposition and grazing on dune grassland | 
                               Plassmann,…  | 
                                                                                        2009 | 
| Chronic exposure to increasing background ozone impairs stomatal functioning in grassland species. | 
                               Mills, G.;…  | 
                                                                                        2009 | 
| Effects of ozone on inter- and intra-species competition and photosynthesis in mesocosms of Lolium perenne and Trifolium repens. | 
                               Hayes, F.;…  | 
                                                                                        2009 | 
| Impact of changes in diffuse radiation on the global land carbon sink. | 
                               Mercado, L.…  | 
                                                                                        2009 | 
| Atmospheric Ammonia - Detecting emission changes and environmental impacts | 
                               Sutton, M.A…  | 
                                                                                        2009 | 
| Digest of UK Energy Statistics | 
                               DECC, .  | 
                                                                                        2009 | 
| Leaf gas exchange and water potential responses to drought in nine poplar (Populus spp.) clones with contrasting drought tolerance. | 
                               Silim, S…  | 
                                                                                        2009 | 
| Ozone in the United Kingdom | 
                               Group, Air…  | 
                                                                                        2009 | 
| Light limitation of nutrient-poor lake ecosystems. | 
                               Karlsson, J…  | 
                                                                                        2009 | 
| Can small-scale experiments predict ecosystem responses? An example from peatlands | 
                               Wiedermann…  | 
                                                                                        2009 |