| Title | Authors | Year |
|---|---|---|
| Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil |
Houdijk, A.… |
1993 |
| Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems |
Bobbink, R… |
1993 |
| Reproduction in two submersed macrophytes declines progressively at low pH. |
Titus, J.E… |
1993 |
| Effect of acid rain on pine needles as food for capercaillie in winter |
Spidsx, T.K… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group |
Group,… |
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 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |