Title Authors Year
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
The impact of land use on N2O emissions from watersheds draining into the Northeastern Atlantic Ocean and European Seas

Kroeze, C…

1998
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring.

Van Dobben…

1998
Potential NH4+ & NO3- uptake in seven Sphagnum species

Jauhiainen…

1998
National Recommended Water Quality Criteria

EPA, US

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

Sheppard, L…

1998
Proposed Environmental Quality Standards for Cobalt in Water

Grimwood, M…

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

Bobbink, R…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998