| Title | Authors | Year |
|---|---|---|
| Terrestrial SSSIs at risk from acidification in Scotland |
Ross, A.… |
1993 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Terrestrial SSSIs at risk from soil acidification in Wales |
Sketch, C.A… |
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 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Air Pollution and Tree Health in the United Kingdom |
DOE, . |
1993 |
| Salt-Marsh Processes - a Review |
Vernberg, F… |
1993 |
| Sphagnum species and polluted environments, past and future |
Lee, J.A.;… |
1993 |