APIS Bibliography

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
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring.	Van Dobben…	1998
Early effects of acid mist on Sitka spruce planted on acid peat.	Sheppard, L…	1998
National Recommended Water Quality Criteria	EPA, US	1998
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998
Modelling the spatial distribution of ammonia emissions in the UK	Dragosits,…	1998
Sensitive bioassays for risk assessment of contaminated soils	Vaughan, G…	1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands	Veer, M.A.C…	1998