APIS Bibliography

Title	Authors	Year
Group report: interactions among acidification, phosphorus, contaminants and biota in freshwater ecosystems	Landers, D.…	1994
The Demographic Consequences of Nitrogen-Fertilization of a Population of Sundew, Drosera-Rotundifolia	…	1994
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
Impacts of nitrogen deposition on terrestrial ecosystems	UKRGIAN,…	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
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
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994