| Title | Authors | Year |
|---|---|---|
| Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales |
Stevens, P.… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
1993 |
| Air Pollution and Tree Health in the United Kingdom |
DOE, . |
1993 |
| 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 |
| The Deposition of Atmospheric Ammonia and Its Effects on Plants |
Pearson, J… |
1993 |
| Critical loads for peat soils |
Cresser, M.… |
1993 |
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |