| Title | Authors | Year |
|---|---|---|
| Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980 |
Dignon, J… |
1989 |
| Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations |
HMSO, |
1989 |
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |
| Simulation of the long-term soil response to acid deposition in various buffer ranges |
Vries, W.;… |
1989 |
| Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests |
Tyler, G.… |
1989 |
| The acidification of Scottish lochs |
Battarbee,… |
1989 |
| Water and the Environment. Circular 7/89 |
Department… |
1989 |
| A regression model for nitrate leaching in Northern Ireland. |
Smith, R.V… |
1989 |
| Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study. |
Ormerod, S.… |
1989 |