APIS Bibliography

Title	Authors	Year
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	1993
Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain	Woodin, S.J…	1993
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems	Bobbink, R…	1993
Reproduction in two submersed macrophytes declines progressively at low pH.	Titus, J.E…	1993
Insects and Pollution	Helivvaara…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
Air Pollution and Tree Health in the United Kingdom	DOE, .	1993
The Deposition of Atmospheric Ammonia and Its Effects on Plants	Pearson, J…	1993