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
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring.

Van Dobben…

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
Peroxyacetyl nitrates (PAN) and other minor pollutants

Temple, P.J…

1998
Iron-manganese interactions among clones of nilegrass

Foy, C. D…

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

Lee, J.A.…

1998
National Recommended Water Quality Criteria

EPA, US

 		1998
The role of different arbuscular mycorrhizal fungi in the growth of Calamagrostis villosa and Deschampsia flexuosa, in experiments with simulated acid rain

Vosatka, M…

1998
Early effects of acid mist on Sitka spruce planted on acid peat.

Sheppard, L…

1998