APIS Bibliography

Title	Authors	Year
Time-space analyses of the British lichen flora, with particular reference to air quality surveys	Seaward, M.…	1998
Boron, zinc iron and managanese content in four grassland species	Adarve, M.…	1998
National Monitoring Programme - Survey of the Quality of UK Coastal Waters	Group,…	1998
Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates	Ormerod, S.…	1998
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
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