APIS Bibliography

Title	Authors	Year
Empirical nitrogen critical loads: update since Lokeberg (1992)	Bobbink, R…	1995
Relation between sulphur concentrations in Scots Pine needles and the air in northernmost Europe.	Raitio, H…	1995
Biological Nitrogen-Fixation - an Efficient Source of Nitrogen for Sustainable Agricultural Production	Peoples, M…	1995
The effect of repeated N fertlization on mye infection in heather (Calluna vulgaris (L) Hull)	Caporn, S.J…	1995
River Quality in Northern Ireland	Service,…	1995
Methods to derive critical loadsfor nitrogen for terrestrial ecosystems	Vries, W.;…	1995
Establishing critical levels for the effects of air pollution on vegetation	Ashmore, M.…	1995
Effects of acid deposition on Dutch forest ecosystems	Vriers, W…	1995
Are calcareous grasslands in the UK under threat from nitrogen deposition - an experimental determination of a critical load	Wilson, E.J…	1995
The use of an unenclosed field fumigation system to determine the effects of elevated ozone on a grass clover mixture.	Wilbourn, S…	1995