| Title | Authors | Year | 
|---|---|---|
| Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions | 
                               Nir, R ;…  | 
                                                                                        1990 | 
| Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland. | 
                               Kreiser, A.…  | 
                                                                                        1990 | 
| Toxicity of heavy metals to brine shrimp Artemia. | 
                               Gajbhiye, S…  | 
                                                                                        1990 | 
| Decline of carpophores of mycorrhizal fungi instand, of Pinus sylvestris | 
                               …  | 
                                                                                        1990 | 
| Bryophytes and heavy metals: a literature review | 
                               Tyler, G.…  | 
                                                                                        1990 | 
| Phytoavailability and toxicity of beryllium and vanadium | 
                               Kaplan, D…  | 
                                                                                        1990 | 
| Effects of nitrogen dioxide pollution on the growth of 3 fern species. | 
                               Ashenden, T…  | 
                                                                                        1990 | 
| The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline". | 
                               Cape, J.N…  | 
                                                                                        1990 | 
| Large Lakes: ecological structure and function | 
                               Kilham, S.S…  | 
                                                                                        1990 | 
| Calculated rates of soil acidification of intensively used grassland in the Netherlands. | 
                               Oenema, O…  | 
                                                                                        1990 |