| Title | Authors | Year |
|---|---|---|
| River Habitat Quality |
Service,… |
1998 |
| Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. |
Nilsen, P… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| Peroxyacetyl nitrates (PAN) and other minor pollutants |
Temple, P.J… |
1998 |
| Iron-manganese interactions among clones of nilegrass |
Foy, C. D… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |
| The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms. |
Pitcairn, C… |
1998 |
| Early effects of acid mist on Sitka spruce planted on acid peat. |
Sheppard, L… |
1998 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| Effects of ozone on wild plants |
Davison, A.… |
1998 |