| 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 |
| Effects of zinc and copper on growth and metal accumulation in duckweed, Lemna minor |
Dirilgen, N… |
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 |
| Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species |
Heijine, B… |
1994 |
| Does nitrogen supply limit the growth of Antarctic lichens? |
Crittenden… |
1994 |
| Effects of atmospheric ammonia on vegetation - a review |
Fangmeir, A… |
1994 |
| Monitoring Danish raised bogs |
Aaby, B.… |
1994 |
| Effects of PCBs, PCDDs and PCDFs on fish-eating birds |
Bosveld, A.… |
1994 |