| Title | Authors | Year |
|---|---|---|
| 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 |
| Critical loads for peat soils |
Cresser, M.… |
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 |
| Effect of acid rain on pine needles as food for capercaillie in winter |
Spidsx, T.K… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
1993 |
| 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 |
| The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris |
… |
1993 |