| Title | Authors | Year |
|---|---|---|
| Atmospheric deposition of sulphur and nitrogen in heathland ecosystems. |
Bobbink, R… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
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 |
| Zinc Phytotoxicity |
Chaney, R.… |
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 |
| How Britain hides its acid soil |
Pearce, F… |
1993 |
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |