APIS Bibliography

Title	Authors	Year
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
Causal mechanisms by which sulphate, nitrate and acidity influence frost hardiness in red spruce: review and hypothesis.	Sheppard, L…	1994
Does nitrogen supply limit the growth of Antarctic lichens?	Crittenden…	1994
Effects of atmospheric ammonia on vegetation - a review	Fangmeir, A…	1994
An experimental investigation into the effects of atmospheric nitrogen deposition on two semi-natural grasslands	Morecroft,…	1994
Heavy-metal binding by mycorrhizal fungi	Galli, U.;…	1994
Setting critical loads for dystrophic peat - a new approach.	Wilson, E.J…	1994
Methane Emissions	Williams, A…	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