APIS Bibliography

Title	Authors	Year
Effects of zinc and copper on growth and metal accumulation in duckweed, Lemna minor	Dirilgen, N…	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
Causal mechanisms by which sulphate, nitrate and acidity influence frost hardiness in red spruce: review and hypothesis.	Sheppard, L…	1994
Acute and chronic toxicity of manganese to exposed and unexposed rainbow and brown trout	Davies, P.…	1994
Does nitrogen supply limit the growth of Antarctic lichens?	Crittenden…	1994
Effects of atmospheric ammonia on vegetation - a review	Fangmeir, A…	1994
Scotland's soils: Research issues in developing a soil sustainability strategy	Billett, M.…	1994
Effects of PCBs, PCDDs and PCDFs on fish-eating birds	Bosveld, A.…	1994