APIS Bibliography

Title	Authors	Year
Sensitive bioassays for risk assessment of contaminated soils	Vaughan, G…	1998
River Quality in Northern Ireland 1995	Service,…	1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands	Veer, M.A.C…	1998
Sulphur isotopic investigation of a polluted raised bog and the uptake of pollutant sulphur by Sphagnum	Thompson, A…	1998
Environmental effects of ozone depletion: 1998 assessment	UNEP,	1998
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment	Risager, M…	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
Natural abundance of 15N in forests across a nitrogen deposition gradient	Emmett, B.A…	1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998