APIS Bibliography

Title	Authors	Year
Nitrogen saturation in a long-term forest experiment with annual additions of nitrogen	Tamm, C.O…	1995
Critical loads of acidity for surface waters - can the ANC limit be considered variable?	Henriksen,…	1995
Mapping and modelling of critical loads for nitrogen - a workshop report. Grange-over-Sands, Cumbria, UK.	Hornung, (Eds…	1995
Effect of different forms and sources of arsenic crop yield and arsenic concentration	Jiang, Q ;…	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
Critical levels for ozone; a UNECE workshop report	Fuhrer, J…	1994
Critical Loads of Acidity in the United Kingdom	UKCLAG,	1994
Scotland's soils: Research issues in developing a soil sustainability strategy	Billett, M.…	1994