| Title | Authors | Year |
|---|---|---|
| Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil |
Houdijk, A.… |
1993 |
| Terrestrial SSSIs at risk from soil acidification in Wales |
Sketch, C.A… |
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 |
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group |
Group,… |
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 |
| The effect of external stress and disturbance factors on Calluna dominated heathland vegetation. |
Berdowski,… |
1993 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |