| Title | Authors | Year |
|---|---|---|
| Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems |
Bobbink, R… |
1993 |
| The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia). |
Griffiths,… |
1993 |
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |
| The effects of dust on vegetation - a review |
Farmer, A.M… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| Effect of acid rain on pine needles as food for capercaillie in winter |
Spidsx, T.K… |
1993 |
| Reproduction in two submersed macrophytes declines progressively at low pH. |
Titus, J.E… |
1993 |
| Atmospheric Change - Effect on Plant Pests and Diseases |
Bell, J.N.B… |
1993 |
| A survey of the health of Fagus sylvatica in southern Britain. |
Ling, K.A… |
1993 |
| Salt-Marsh Processes - a Review |
Vernberg, F… |
1993 |