APIS Bibliography

Title	Authors	Year
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
The impact of land use on N2O emissions from watersheds draining into the Northeastern Atlantic Ocean and European Seas	Kroeze, C…	1998
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].	Nilsen, P…	1998
Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates	Ormerod, S.…	1998
Iron-manganese interactions among clones of nilegrass	Foy, C. D…	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
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants	Lee, J.A.…	1998
Ecosystem research and the European Union policy needs	Lawton, (…	1998
National Recommended Water Quality Criteria	EPA, US	1998