APIS Bibliography

Title	Authors	Year
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
A survey of the threat of surface water acidification to the nature conservation interest of fresh-waters on Sites of Special Scientific Interest in Britain	Rimes, C.A…	1994
Acid Rain and its Impact: The Critical Loads Debate	Hornung, M…	1994
Effects of ozone on interactions between plants, consumers and decomposers.	Jones, C.G…	1994
Effect of different forms and sources of arsenic crop yield and arsenic concentration	Jiang, Q ;…	1994
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994
Atlas of the Bryophytes	Hill, M.;…	1994
Critical levels for ozone; a UNECE workshop report	Fuhrer, J…	1994