| Title | Authors | Year |
|---|---|---|
| Insects and Pollution |
Helivvaara… |
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 new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |
| Review of the impact of current and future acid deposition in Wales |
Reynolds, B… |
1993 |
| Effect of acid rain on pine needles as food for capercaillie in winter |
Spidsx, T.K… |
1993 |
| Estimating the relative contribution of SOx, NOx and NHx inputs to effects of atmospheric deposition |
Sutton, M.A… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
1993 |
| A survey of the health of Fagus sylvatica in southern Britain. |
Ling, K.A… |
1993 |
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |