APIS Bibliography

Title	Authors	Year
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].	Nilsen, P…	1998
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
National Recommended Water Quality Criteria	EPA, US	1998
Ecosystem research and the European Union policy needs	Lawton, (…	1998
Effects of N additions on the stress sensitivity of Calluna vulgaris.	Poser, S.A…	1998
Discriminant analysis of the terrestrial and aquatic habitat determinants of the smooth newt (Triturus vulgaris) and the common frog (Rana temporaria) in Ireland	Marnell, F…	1998
Effects of experimental acidification, nitrogen addition and liming on ground vegetation in a mature stand of Norway spruce (Picea abies (L.) Karst.) in SE Sweden	Hallbdcken…	1998
Water and solute fluxes in dry coastal dune grasslands. The effects of grazing and increased nitrogen deposition	Harkel, M.J…	1998
Modelling the spatial distribution of ammonia emissions in the UK	Dragosits,…	1998