| Title | Authors | Year |
|---|---|---|
| National Recommended Water Quality Criteria |
EPA, US |
1998 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
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 |
| Effects of ozone on wild plants |
Davison, A.… |
1998 |
| Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones |
Barnes, J… |
1998 |
| Natural abundance of 15N in forests across a nitrogen deposition gradient |
Emmett, B.A… |
1998 |
| Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the N inputs of sensitive ecosystems |
Fowler, D… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates |
Ormerod, S.… |
1998 |