| Title | Authors | Year |
|---|---|---|
| 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 |
| Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment |
Risager, 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 |
| The phytoavailability of cadmium to lettuce in long-term biosolids-amended soils |
Brown, S. L… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| Natural abundance of 15N in forests across a nitrogen deposition gradient |
Emmett, B.A… |
1998 |