| Title | Authors | Year |
|---|---|---|
| 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 |
| Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring. |
Van Dobben… |
1998 |
| Peroxyacetyl nitrates (PAN) and other minor pollutants |
Temple, P.J… |
1998 |
| Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants |
Lee, J.A.… |
1998 |
| Early effects of acid mist on Sitka spruce planted on acid peat. |
Sheppard, L… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |
| The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation |
Bobbink, R… |
1998 |
| Modelling the spatial distribution of ammonia emissions in the UK |
Dragosits,… |
1998 |
| Effects of ozone on wild plants |
Davison, A.… |
1998 |