| Title | Authors | Year |
|---|---|---|
| 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 |
| Modelling the spatial distribution of ammonia emissions in the UK |
Dragosits,… |
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 |
| River Habitat Quality |
Service,… |
1998 |
| The phytoavailability of cadmium to lettuce in long-term biosolids-amended soils |
Brown, S. L… |
1998 |
| Potential NH4+ & NO3- uptake in seven Sphagnum species |
Jauhiainen… |
1998 |