APIS Bibliography

Title	Authors	Year
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
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998
National Recommended Water Quality Criteria	EPA, US	1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.	Pitcairn, C…	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
The nitrogen content of upland rivers in Britain: the significance of organic N	Chapman, P.…	1998
Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones	Barnes, J…	1998