Title Authors Year
Effects of ammonia deposition on forests in the Netherlands

Van der…

1998
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].

Nilsen, P…

1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements

Burkhardt,…

1998
Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata

Kerslake, J…

1998
National Recommended Water Quality Criteria

EPA, US

 		1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.

Pitcairn, C…

1998
Ecological effects of atmospheric reactive N deposition on semi-natural terrestrial ecosystems.

Lee, J.A.;…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998
Effects of ozone on wild plants

Davison, A.…

1998
Modelling the spatial distribution of ammonia emissions in the UK

Dragosits,…

1998