| Title | Authors | Year |
|---|---|---|
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Effects of nitrogen dioxide pollution on the growth of 3 fern species. |
Ashenden, T… |
1990 |
| Epiphyte recolonization of oaks along a gradient of air pollution in south-east England, 1979-1990. |
Bates, J.W… |
1990 |
| Cation-exchange properties and adaptation to soil acidity in bryophytes |
Buscher, P… |
1990 |
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Eutrophication: assessment, research and management with special reference to Scotland's Freshwaters |
Bailey-… |
1990 |
| Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions |
Nir, R ;… |
1990 |
| Wildlife toxicology |
Hoffman, D.… |
1990 |
| Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals |
Muniz, I.P… |
1990 |
| The effect of air quality on tree growth. |
Lee, H.S.J… |
1990 |