| Title | Authors | Year |
|---|---|---|
| Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland. |
Kreiser, A.… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids |
Buhl, K. J… |
1990 |
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Environmental Health Criteria 86 Mercury- Environmental Aspects |
WHO, |
1989 |
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Manganese induced haematological and biochemical anomalies in Heteropneustes fossilis |
Garg, V. K… |
1989 |
| Lead hazards to fish, wildlife and invertebrates: a synoptic review |
Eisler, R… |
1989 |
| Indigenous and cultivated plants as bioindicators |
Weinstein,… |
1989 |
| A regression model for nitrate leaching in Northern Ireland. |
Smith, R.V… |
1989 |