| Title | Authors | Year |
|---|---|---|
| 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 |
| Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil |
Houdijk, A.… |
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 |
| Effect of acid rain on pine needles as food for capercaillie in winter |
Spidsx, T.K… |
1993 |
| Stratospheric Aerosol Optical Depths, 1850-1990. |
Sato, M. ;… |
1993 |
| A survey of the health of Fagus sylvatica in southern Britain. |
Ling, K.A… |
1993 |
| The effect of external stress and disturbance factors on Calluna dominated heathland vegetation. |
Berdowski,… |
1993 |
| Terrestrial SSSIs at risk from acidification in Scotland |
Ross, A.… |
1993 |