APIS Bibliography

Title	Authors	Year
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
The effects of excess nitrogen deposition on young Norway spruce trees. Part I: the soil	Wilson, E.J…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	1994
Toxicity of nickel ores to marine organisms	Florence, T…	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
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994
The effects of excess nitrogen deposition on young Norway spruce trees. Part I: the vegetation	Wilson, E.J…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
The influence of acid rain mists on growth, dry matter partitioning, nutrient concentrations and mycorrhizal fruiting bodies in red spruce seedlings.	Deans, J.D…	1994