| Title | Authors | Year |
|---|---|---|
| Insects and Pollution |
Helivvaara… |
1993 |
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. |
Bobbink, R… |
1993 |
| The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris |
… |
1993 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |
| Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees. |
Cape, J.N… |
1993 |
| How Britain hides its acid soil |
Pearce, F… |
1993 |
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |
| Reproduction in two submersed macrophytes declines progressively at low pH. |
Titus, J.E… |
1993 |
| The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales |
Farmer, A.M… |
1993 |
| A survey of the health of Fagus sylvatica in southern Britain. |
Ling, K.A… |
1993 |