APIS Bibliography

Title	Authors	Year
Impacts of nitrogen deposition on terrestrial ecosystems	UKRGIAN,…	1994
An experimental investigation into the effects of atmospheric nitrogen deposition on two semi-natural grasslands	Morecroft,…	1994
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	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
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
Atlas of the Bryophytes	Hill, M.;…	1994
Does nitrogen supply limit the growth of Antarctic lichens?	Crittenden…	1994