| Title | Authors | Year |
|---|---|---|
| Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects |
McNeill, S… |
1990 |
| Exchange of greenhouse gases between terrestrial ecosystems and the atmosphere |
Bouwman, A.… |
1990 |
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
1990 |
| Toxicity of heavy metals to brine shrimp Artemia. |
Gajbhiye, S… |
1990 |
| Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers |
Weigel, H.J… |
1990 |
| Decline of carpophores of mycorrhizal fungi instand, of Pinus sylvestris |
… |
1990 |
| Fine Root Studies in situ and in the Laboratory. |
Wollmer, H… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline". |
Cape, J.N… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |