| Title | Authors | Year | 
|---|---|---|
| Critical loads for peat soils | 
                               Cresser, M.…  | 
                                                                                        1993 | 
| Halogen emissions from coal combustion | 
                               Sloss, L.L…  | 
                                                                                        1992 | 
| The decrease of rich fen Bryophytes in the Netherlands. | 
                               Kooijman, A…  | 
                                                                                        1992 | 
| Large-scale air pollution monitoring using lichens | 
                               Seaward, M.…  | 
                                                                                        1992 | 
| Effects of fertiliser on bryophytes in Swedish experiments on forest fertilisation. | 
                               Dirske, G.M…  | 
                                                                                        1992 | 
| Acid Soil and Acid Rain | 
                               Kennedy, I.…  | 
                                                                                        1992 | 
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria | 
                               Beattie, R.…  | 
                                                                                        1992 | 
| A Review of the Likely Causal Pathways Relating the Reduced Density of Breeding Dippers Cinclus-Cinclus to the Acidification of Upland Streams | 
                               Tyler, S.J…  | 
                                                                                        1992 | 
| Decline of Charophytes During Eutrophication - Comparison with Angiosperms | 
                               Blindow, I…  | 
                                                                                        1992 | 
| Effect of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. Ex. Hoffm. From differently polluted areas. | 
                               Baxter, R…  | 
                                                                                        1992 |