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
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
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification	Flückiger,…	1998
Effects of N additions on the stress sensitivity of Calluna vulgaris.	Poser, S.A…	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
Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones	Barnes, J…	1998
Boron, zinc iron and managanese content in four grassland species	Adarve, M.…	1998
Nutrient disturbance through manganese accumulation in Douglas fir	Kaus, A ;…	1998