APIS Bibliography

Title	Authors	Year
Boron, zinc iron and managanese content in four grassland species	Adarve, M.…	1998
Effects of ammonia deposition on forests in the Netherlands	Van der…	1998
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].	Nilsen, P…	1998
River Habitat Quality	Service,…	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
National Recommended Water Quality Criteria	EPA, US	1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.	Pitcairn, C…	1998
Consequences of high loads of nitrogen for spruce (Picea abies) and beech (Fagus sylvatica) forests.	Rennenberg…	1998
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998