Title Authors Year
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements

Burkhardt,…

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

Nilsen, P…

1998
Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the N inputs of sensitive ecosystems

Fowler, D…

1998
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants

Lee, J.A.…

1998
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
Iron-manganese interactions among clones of nilegrass

Foy, C. D…

1998
Pollution - Recovery of breeding success in wild birds.

Eeva, T.; E…

1998
National Recommended Water Quality Criteria

EPA, US

 		1998
Nutrient limitations and their implications on the effects of atmospheric deposition in coastal dunes; lime-poor and lime- rich sites in the Netherlands.

Kooijman, A…

1998
The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation

Bobbink, R…

1998