| Title | Authors | Year |
|---|---|---|
| Critical levels of air pollutants for Europe |
Ashmore, M.… |
1994 |
| Heavy-metal binding by mycorrhizal fungi |
Galli, U.;… |
1994 |
| Shoot nitrate reductase activities of field-layer species in different forest types. |
Hogborn, L… |
1994 |
| Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata |
Gaur, J. P… |
1994 |
| Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species |
Heijine, B… |
1994 |
| Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences |
Stoddard, J… |
1994 |
| Does nitrogen supply limit the growth of Antarctic lichens? |
Crittenden… |
1994 |
| Effects of atmospheric ammonia on vegetation - a review |
Fangmeir, A… |
1994 |
| An experimental investigation into the effects of atmospheric nitrogen deposition on two semi-natural grasslands |
Morecroft,… |
1994 |
| Biodiversity: the UK Steering Group report |
DoE, |
1994 |