APIS Bibliography

Title	Authors	Year
Long term effects of enhanced nitrogen deposition on a lowland dry heath in southern Britain.	Power, S.;…	1995
Are calcareous grasslands in the UK under threat from nitrogen deposition - an experimental determination of a critical load	Wilson, E.J…	1995
Mapping and modelling of critical loads for nitrogen - a workshop report. Grange-over-Sands, Cumbria, UK.	Hornung, (Eds…	1995
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
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
Acute and chronic toxicity of manganese to exposed and unexposed rainbow and brown trout	Davies, P.…	1994
Monitoring Danish raised bogs	Aaby, B.…	1994
Effects of atmospheric ammonia on vegetation - a review	Fangmeir, A…	1994