APIS Bibliography

Title	Authors	Year
Nitrogen saturation in a long-term forest experiment with annual additions of nitrogen	Tamm, C.O…	1995
Lobarion, an epiphytic community of ancient forests threatened by acid rain.	Gauslaa, Y…	1995
Mapping and modelling of critical loads for nitrogen - a workshop report. Grange-over-Sands, Cumbria, UK.	Hornung, (Eds…	1995
Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences	Stoddard, J…	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
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
Methane Emissions	Williams, A…	1994