| Title | Authors | Year |
|---|---|---|
| Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. |
Nilsen, P… |
1998 |
| Potential NH4+ & NO3- uptake in seven Sphagnum species |
Jauhiainen… |
1998 |
| Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants |
Lee, J.A.… |
1998 |
| Proposed Environmental Quality Standards for Cobalt in Water |
Grimwood, M… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |
| Early effects of acid mist on Sitka spruce planted on acid peat. |
Sheppard, L… |
1998 |
| Modelling the spatial distribution of ammonia emissions in the UK |
Dragosits,… |
1998 |
| Time-space analyses of the British lichen flora, with particular reference to air quality surveys |
Seaward, M.… |
1998 |
| Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands |
Veer, M.A.C… |
1998 |
| Environmental effects of ozone depletion: 1998 assessment |
UNEP, |
1998 |