APIS Bibliography

Title	Authors	Year
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
Response of blue spruce (Picea pungens) to manganese pollution from MMT	Forget, E…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	1994
Effects of nitrogen fertilisation on the humus layer vegetation under closed canopy in boreal coniferous stands	Mäkipää, R…	1994
Regional and historical variation in the nitrogen-content of Racomitrium lanuginosum in Britain In relation to atmospheric nitrogen deposition	Baddeley, J…	1994
Group report: are chemical and biological changes reversible?	Dise, N.B…	1994
Effects of ozone on interactions between plants, consumers and decomposers.	Jones, C.G…	1994
Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences	Stoddard, J…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
Impacts of nitrogen deposition in terrestrial ecosystems in the United Kingdom	INDITE,	1994