| Title | Authors | Year | 
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation | 
                               Faafeng, B…  | 
                                                                                        1993 | 
| Spatial variation in ozone resistance of British populations of Plantago major L. | 
                               Reiling, K…  | 
                                                                                        1992 | 
| Growth limiting nutrients in Sphagnum dominated bogs subject to low and high atmospheric Nitrogen supply | 
                               Aerts, R.;…  | 
                                                                                        1992 | 
| Effects of fertiliser on bryophytes in Swedish experiments on forest fertilisation. | 
                               Dirske, G.M…  | 
                                                                                        1992 | 
| Summary of phytotoxic levels of soil arsenic | 
                               Sheppard, S…  | 
                                                                                        1992 | 
| Deposition of Atmospheric Ammonia to Moorlands. | 
                               Sutton, M.A…  | 
                                                                                        1992 | 
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria | 
                               Beattie, R.…  | 
                                                                                        1992 | 
| Ectomycorrhizal colonisation of loblolly pine seedlings during three growing seasons in response to ozone, acidic precipitation and soil Mg status | 
                               Edwards, G.…  | 
                                                                                        1992 | 
| Biological recording of changes in British wildlife | 
                               Adams, K.J…  | 
                                                                                        1992 | 
| Halogen emissions from coal combustion | 
                               Sloss, L.L…  | 
                                                                                        1992 |