APIS Bibliography

Title	Authors	Year
Sulphur isotopic investigation of a polluted raised bog and the uptake of pollutant sulphur by Sphagnum	Thompson, A…	1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates	Ormerod, S.…	1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998
Significance of soil properties for content and distribution of cadmium and lead in natural calcareous soils	Sanchez-…	1998
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants	Lee, J.A.…	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
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.	Pitcairn, C…	1998
Ecosystem research and the European Union policy needs	Lawton, (…	1998