APIS Bibliography

Title	Authors	Year
Relation between sulphur concentrations in Scots Pine needles and the air in northernmost Europe.	Raitio, H…	1995
Studies in Environmental Science 63	Erisman, J.…	1995
Biological Nitrogen-Fixation - an Efficient Source of Nitrogen for Sustainable Agricultural Production	Peoples, M…	1995
Towards a new method of setting a critical load of acidity for ombrotrophic peat	Wilson, E.J…	1995
Are calcareous grasslands in the UK under threat from nitrogen deposition - an experimental determination of a critical load	Wilson, E.J…	1995
Lobarion, an epiphytic community of ancient forests threatened by acid rain.	Gauslaa, Y…	1995
Silvicultural use of wood ashes - effects on the nutrient and heavy metal balance in a pine forest soil.	Bramryd, T…	1995
Nitrogen saturation in a long-term forest experiment with annual additions of nitrogen	Tamm, C.O…	1995
Atmospheric deposition of nitrogen compounds to heathlands	Sutton, M.A…	1995
Deposition of fixed atmospheric nitrogen and foliar nitrogen content of bryophytes and Calluna vulgaris	Pitcairn, C…	1995