| Title | Authors | Year | 
|---|---|---|
| The difficulties of abating smoke in Late Victorian York | Bowler, C… | 1990 | 
| The variation in the acidity of ground and surface waters in Northern Ireland | Jordan, C… | 1990 | 
| Exchange of greenhouse gases between terrestrial ecosystems and the atmosphere | Bouwman, A.… | 1990 | 
| Calculated rates of soil acidification of intensively used grassland in the Netherlands. | Oenema, O… | 1990 | 
| Bryophytes and Nutrient Cycling | Brown, D.H… | 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 | 
| Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals | Muniz, I.P… | 1990 | 
| Boron hazards to fish, wildlife, and invertebrates: a synoptic review | Eisler, R… | 1990 | 
| Fine Root Studies in situ and in the Laboratory. | Wollmer, H… | 1990 |