| Title | Authors | Year |
|---|---|---|
| Shoot nitrate reductase activities of field-layer species in different forest types. |
Hogborn, L… |
1994 |
| Acidification of freshwater ecosystems: implications for the future |
Rosseland,… |
1994 |
| Accumulation of amino acids in some boreal forest plants in response to increased nitrogen availability |
Näsholm, T… |
1994 |
| Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata |
Gaur, J. P… |
1994 |
| Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences |
Stoddard, J… |
1994 |
| Effect of different forms and sources of arsenic crop yield and arsenic concentration |
Jiang, Q ;… |
1994 |
| Critical levels for ozone; a UNECE workshop report |
Fuhrer, J… |
1994 |
| Critical Loads of Acidity in the United Kingdom |
UKCLAG, |
1994 |
| Critical levels of air pollutants for Europe |
Ashmore, M.… |
1994 |
| Heavy-metal binding by mycorrhizal fungi |
Galli, U.;… |
1994 |