| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
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 |
| Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain |
Woodin, S.J… |
1993 |
| SSSIs in England at risk from acid rain |
Bissett, K… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Atmospheric Change - Effect on Plant Pests and Diseases |
Bell, J.N.B… |
1993 |
| Reproduction in two submersed macrophytes declines progressively at low pH. |
Titus, J.E… |
1993 |
| Review of the impact of current and future acid deposition in Wales |
Reynolds, B… |
1993 |
| Air Pollution and Tree Health in the United Kingdom |
DOE, . |
1993 |