| Title | Authors | Year |
|---|---|---|
| Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa |
Hyvdrinen,… |
1998 |
| River Habitat Quality |
Service,… |
1998 |
| Effects of ammonia deposition on forests in the Netherlands |
Van der… |
1998 |
| Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata |
Kerslake, J… |
1998 |
| Ecological effects of atmospheric reactive N deposition on semi-natural terrestrial ecosystems. |
Lee, J.A.;… |
1998 |
| The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation |
Bobbink, R… |
1998 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| Sensitive bioassays for risk assessment of contaminated soils |
Vaughan, G… |
1998 |
| Effects of ozone on wild plants |
Davison, A.… |
1998 |
| Nitrogen deposition and ectomycorhizas |
Wallenda, T… |
1998 |