| Title | Authors | Year |
|---|---|---|
| Insects and Pollution |
Helivvaara… |
1993 |
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |
| A survey of the health of Fagus sylvatica in southern Britain. |
Ling, K.A… |
1993 |
| Effects of acidic gases and mists on the reproductive capability of 3 fern species |
Lawrence, P… |
1993 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |
| How Britain hides its acid soil |
Pearce, F… |
1993 |
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group |
Group,… |
1993 |
| Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales |
Stevens, P.… |
1993 |
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. |
Bobbink, R… |
1993 |
| Critical Loads - Concepts and Applications |
Cresser, M.… |
1993 |