APIS Bibliography

Title	Authors	Year
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Significance of soil properties for content and distribution of cadmium and lead in natural calcareous soils	Sanchez-…	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
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998
Effects of N additions on the stress sensitivity of Calluna vulgaris.	Poser, S.A…	1998
Modelling the spatial distribution of ammonia emissions in the UK	Dragosits,…	1998
Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones	Barnes, J…	1998
Time-space analyses of the British lichen flora, with particular reference to air quality surveys	Seaward, M.…	1998