APIS Bibliography

Title	Authors	Year
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998
Significance of soil properties for content and distribution of cadmium and lead in natural calcareous soils	Sanchez-…	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 carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata	Kerslake, J…	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
National Recommended Water Quality Criteria	EPA, US	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
Consequences of high loads of nitrogen for spruce (Picea abies) and beech (Fagus sylvatica) forests.	Rennenberg…	1998