APIS Bibliography

Title	Authors	Year
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development	Corraddi, M…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993
Reproduction in two submersed macrophytes declines progressively at low pH.	Titus, J.E…	1993
Stratospheric Aerosol Optical Depths, 1850-1990.	Sato, M. ;…	1993
North Sea quality status report 1993	OSPARCOM,…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	1993
Terrestrial SSSIs at risk from acidification in Scotland	Ross, A.…	1993
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993