| Title | Authors | Year | 
|---|---|---|
| Mechansims of adaptions of plants to acid soils | 
                               Marschner,…  | 
                                                                                        1991 | 
| The Distribution and Breeding Site Characteristics of Newts in Cumbria, England. | 
                               Denton, J.S…  | 
                                                                                        1991 | 
| Decline of ectomycorrhizal fungi in Europe. | 
                               Arnolds, E…  | 
                                                                                        1991 | 
| Uptake, accumulation and translocation of arsenate in arsenate-tolerant and non-tolerant Holcus lanatus L. | Meharg, A. A… | 1991 | 
| The mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system | 
                               Meharg, A.…  | 
                                                                                        1991 | 
| The effects of acid deposition on nature conservation in Great Britain | 
                               Ormerod, S.…  | 
                                                                                        1991 | 
| Atmospheric Transport of Iron and Its Deposition in the Ocean | 
                               Duce, R. A…  | 
                                                                                        1991 | 
| Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition | 
                               Morris, J.T…  | 
                                                                                        1991 | 
| Acid deposition: its nature and impacts | 
                               Last, F.T…  | 
                                                                                        1991 | 
| Acidic deposition: its nature and impacts | 
                               Last, F.T…  | 
                                                                                        1991 |