APIS Bibliography

Title	Authors	Year
Critical levels of O-3 for wood production of European beech (Fagus sylvatica L).	Mortensen,…	1995
Biological Nitrogen-Fixation - an Efficient Source of Nitrogen for Sustainable Agricultural Production	Peoples, M…	1995
River Quality in Northern Ireland	Service,…	1995
Effects of gaseous air pollutants on aphid performance on Scots pine and Norway spruce seedlings.	Holopainen…	1995
Methods to derive critical loadsfor nitrogen for terrestrial ecosystems	Vries, W.;…	1995
Critical limits of acidification to invertebrates in different regions of Europe.	Raddum, G…	1995
Effects of ozone depletion	Sciences,…	1995
European Soil Resources: Current Status of Soil Degradation, Causes, Impacts and Need for Action	Van Lynden…	1995
Are calcareous grasslands in the UK under threat from nitrogen deposition - an experimental determination of a critical load	Wilson, E.J…	1995
Long term effects of enhanced nitrogen deposition on a lowland dry heath in southern Britain.	Power, S.;…	1995