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

Nilsen, P…

1998
Peroxyacetyl nitrates (PAN) and other minor pollutants

Temple, P.J…

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

Lee, J.A.;…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998
Modelling the spatial distribution of ammonia emissions in the UK

Dragosits,…

1998
Time-space analyses of the British lichen flora, with particular reference to air quality surveys

Seaward, M.…

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