| Title | Authors | Year |
|---|---|---|
| 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 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| Arsenic in wetland vegetation: Availability, phytotoxicity, uptake and effects on plant growth and nutrition |
Carbonell,… |
1998 |
| Modelling the spatial distribution of ammonia emissions in the UK |
Dragosits,… |
1998 |
| A new inventory for ammonia emissions from U.K. agriculture |
Pain, B.F… |
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 |
| 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 |