APIS Bibliography

Title	Authors	Year
Chromium in swiss chard grown on soil amended with tannery meal fertilizer	Grubinger,…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	1994
Group report: are chemical and biological changes reversible?	Dise, N.B…	1994
Effects of zinc and copper on growth and metal accumulation in duckweed, Lemna minor	Dirilgen, N…	1994
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences	Stoddard, J…	1994
Impacts of nitrogen deposition in terrestrial ecosystems in the United Kingdom	INDITE,	1994
Causal mechanisms by which sulphate, nitrate and acidity influence frost hardiness in red spruce: review and hypothesis.	Sheppard, L…	1994
Group report: interactions among acidification, phosphorus, contaminants and biota in freshwater ecosystems	Landers, D.…	1994