| Title | Authors | Year |
|---|---|---|
| The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia). |
Griffiths,… |
1993 |
| The effects of dust on vegetation - a review |
Farmer, A.M… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
1993 |
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. |
Bobbink, R… |
1993 |
| Effects of acidic gases and mists on the reproductive capability of 3 fern species |
Lawrence, P… |
1993 |
| The Deposition of Atmospheric Ammonia and Its Effects on Plants |
Pearson, J… |
1993 |
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| How Britain hides its acid soil |
Pearce, F… |
1993 |
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |