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
Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems	Bobbink, R…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993
Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group	Group,…	1993
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
Stratospheric Aerosol Optical Depths, 1850-1990.	Sato, M. ;…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993
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