APIS Bibliography

Title	Authors	Year
Biological Nitrogen-Fixation - an Efficient Source of Nitrogen for Sustainable Agricultural Production	Peoples, M…	1995
Methods to derive critical loadsfor nitrogen for terrestrial ecosystems	Vries, W.;…	1995
Incidence of adverse biological effects within ranges of chemical concentrations in marine and estuarine sediments	Long, E.R…	1995
River Quality in Northern Ireland	Service,…	1995
Critical limits of acidification to invertebrates in different regions of Europe.	Raddum, G…	1995
Recent trends in beech tree health in southern Britain and the influence of soil type.	Power, S.;…	1995
Interactions of elevated CO2, NH3 and O3 on mycorrhizal infection, gas exchange and N metabolism in saplings of Scots pine.	Perez-Soba…	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
Atmospheric deposition of nitrogen compounds to heathlands	Sutton, M.A…	1995