| Title | Authors | Year |
|---|---|---|
| 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 |
| The nitrogen content of upland rivers in Britain: the significance of organic N |
Chapman, P.… |
1998 |
| Sensitive bioassays for risk assessment of contaminated soils |
Vaughan, G… |
1998 |
| Nitrogen deposition and ectomycorhizas |
Wallenda, T… |
1998 |
| Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment |
Risager, M… |
1998 |
| River Quality in Northern Ireland 1995 |
Service,… |
1998 |
| Sulphur isotopic investigation of a polluted raised bog and the uptake of pollutant sulphur by Sphagnum |
Thompson, A… |
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 |