| Title | Authors | Year |
|---|---|---|
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. |
Bobbink, R… |
1993 |
| Critical Loads - Concepts and Applications |
Cresser, M.… |
1993 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |
| Critical loads for peat soils |
Cresser, M.… |
1993 |
| The Deposition of Atmospheric Ammonia and Its Effects on Plants |
Pearson, J… |
1993 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |
| Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil |
Houdijk, A.… |
1993 |
| Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems |
Bobbink, R… |
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 |