| Title | Authors | Year |
|---|---|---|
| Effects of ammonia emission on epiphytic lichen vegetation |
DeBakker, A… |
1989 |
| Forest decline and Air Pollution |
Schulze, E.… |
1989 |
| Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests |
Tyler, G.… |
1989 |
| Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping. |
Hawksworth… |
1989 |
| Unifying nutrient-chlorophyll relationships in lakes. |
Prairie, Y.… |
1989 |
| Modelled historical concentrations and depositions of ammonia and ammonium in Europe |
Asman, W.A.… |
1988 |
| Nitrogen and carbon isotope ratios in seabird rookeries and their ecological implications |
Mizutani, H… |
1988 |
| Effects of excessive ammonium deposition on the nutritional status and condition of pine needles |
Dijk, H.F.G… |
1988 |
| Environmental Health Criteria 61 Chromium |
WHO, |
1988 |
| Long term changes in the acidity of forest soils in north east Scotland |
Billett, M.… |
1988 |