APIS Bibliography

Title	Authors	Year
Impacts of nitrogen deposition on terrestrial ecosystems	UKRGIAN,…	1994
Effects of nitrogen fertilisation on the humus layer vegetation under closed canopy in boreal coniferous stands	Mäkipää, R…	1994
Setting critical loads for dystrophic peat - a new approach.	Wilson, E.J…	1994
Effects of ozone on interactions between plants, consumers and decomposers.	Jones, C.G…	1994
The calculation of weathering rates and their role in the determination of critical loads	Langan, S.J…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
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
Does nitrogen supply limit the growth of Antarctic lichens?	Crittenden…	1994
Transboundary Air Pollution	Effects,…	1994