APIS Bibliography

Title	Authors	Year
Natural abundance of 15N in forests across a nitrogen deposition gradient	Emmett, B.A…	1998
Effects of ammonia deposition on forests in the Netherlands	Van der…	1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata	Kerslake, J…	1998
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification	Flückiger,…	1998
Ecological effects of atmospheric reactive N deposition on semi-natural terrestrial ecosystems.	Lee, J.A.;…	1998
The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation	Bobbink, R…	1998
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands	Veer, M.A.C…	1998
Environmental effects of ozone depletion: 1998 assessment	UNEP,	1998