Title Authors Year
Soil nitrous oxide and nitric oxide emissions as indicators of the exceedance of critical loads of atmospheric nitrogen deposition in semi-natural ecosystems

Skiba, U.;…

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
Arsenic in wetland vegetation: Availability, phytotoxicity, uptake and effects on plant growth and nutrition

Carbonell,…

1998
Nitrogen deposition and ectomycorhizas

Wallenda, T…

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
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment

Risager, M…

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

Seaward, M.…

1998