| Title | Authors | Year | 
|---|---|---|
| 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 | 
| Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition | 
                               Morris, J.T…  | 
                                                                                        1991 | 
| Air pollution and agriculture | 
                               Ashmore, M.…  | 
                                                                                        1991 | 
| Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna | 
                               Van der…  | 
                                                                                        1991 | 
| Influence of HN3 and (HN4)2 SO4 on heathland vegetation | 
                               Van der…  | 
                                                                                        1991 | 
| Forestry and soil protection in the UK | 
                               Moffatt, A.…  | 
                                                                                        1991 |