| Title | Authors | Year |
|---|---|---|
| River Habitat Quality |
Service,… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. |
Nilsen, P… |
1998 |
| Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa |
Hyvdrinen,… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| Effects of N additions on the stress sensitivity of Calluna vulgaris. |
Poser, S.A… |
1998 |
| Modelling the spatial distribution of ammonia emissions in the UK |
Dragosits,… |
1998 |
| Sensitive bioassays for risk assessment of contaminated soils |
Vaughan, G… |
1998 |
| Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones |
Barnes, J… |
1998 |