| Title | Authors | Year |
|---|---|---|
| Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees. |
Cape, J.N… |
1993 |
| The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia). |
Griffiths,… |
1993 |
| Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems |
Bobbink, R… |
1993 |
| The exchange of ammonia between the atmosphere and plant communities. |
Sutton, M.A… |
1993 |
| Reproduction in two submersed macrophytes declines progressively at low pH. |
Titus, J.E… |
1993 |
| The effects of dust on vegetation - a review |
Farmer, A.M… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Salt-Marsh Processes - a Review |
Vernberg, F… |
1993 |
| Sphagnum species and polluted environments, past and future |
Lee, J.A.;… |
1993 |
| Critical Loads: Concepts and Applications |
Harriman, R… |
1993 |