| Title | Authors | Year | 
|---|---|---|
| Air pollution increases Aphis fabae pest potential | 
                               Dohmen, G.P…  | 
                                                                                        1984 | 
| Diatom analysis and the acidification of lakes | 
                               Battarbee,…  | 
                                                                                        1984 | 
| Ambient Water Quality Criteria for copper | 
                               EPA, US  | 
                                                                                        1984 | 
| Uptake of arsenic and mercury from soil by Bermuda grass Cynodon dactylon | 
                               Weaver, R.…  | 
                                                                                        1984 | 
| Effects of SO2 on light-modulated enzyme reactions | 
                               Alscher, R…  | 
                                                                                        1984 | 
| The effects of SO2 on photosynthesis and carbohydrate transfer in the two Lichens: Collema polycarpon and Parmelia chlorochroa. | 
                               Fields, R.D…  | 
                                                                                        1984 | 
| Mycorrhizal fungi of Betula spp.: factors affecting their occurrence | 
                               Mason, P.A…  | 
                                                                                        1984 | 
| Raised nutrient levels change heathland into grassland | 
                               Heil, G.;…  | 
                                                                                        1983 | 
| The growth of Sphagnum species in the southern Pennines. | 
                               Ferguson, N…  | 
                                                                                        1983 | 
| Humic substances in groundwater. | 
                               Thurman, E.…  | 
                                                                                        1983 |