APIS Bibliography

Title	Authors	Year
Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil	Houdijk, A.…	1993
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales	Farmer, A.M…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993
The Deposition of Atmospheric Ammonia and Its Effects on Plants	Pearson, J…	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
The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia).	Griffiths,…	1993
The exchange of ammonia between the atmosphere and plant communities.	Sutton, M.A…	1993