| Title | Authors | Year |
|---|---|---|
| National Recommended Water Quality Criteria |
EPA, US |
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 N additions on the stress sensitivity of Calluna vulgaris. |
Poser, S.A… |
1998 |
| The nitrogen content of upland rivers in Britain: the significance of organic N |
Chapman, P.… |
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 |
| Boron, zinc iron and managanese content in four grassland species |
Adarve, M.… |
1998 |
| Natural abundance of 15N in forests across a nitrogen deposition gradient |
Emmett, B.A… |
1998 |
| Effects of ammonia deposition on forests in the Netherlands |
Van der… |
1998 |