APIS Bibliography

Title	Authors	Year
Effects of zinc and copper on growth and metal accumulation in duckweed, Lemna minor	Dirilgen, N…	1994
Impact of agriculture on epiphytic lichens at Plym free, E Devon	Benfield, B…	1994
Accumulation of amino acids in some boreal forest plants in response to increased nitrogen availability	Näsholm, T…	1994
The calculation of weathering rates and their role in the determination of critical loads	Langan, S.J…	1994
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994
Nitrous oxide from agriculture	Granli, T…	1994
Interactions between exposure to O3 and nutrient uptake, growth, mycorrhizal and needle ultra-structure.	Rantanen, L…	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