APIS Bibliography

Title	Authors	Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
Atmospheric Change - Effect on Plant Pests and Diseases	Bell, J.N.B…	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
Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group	Group,…	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
The Deposition of Atmospheric Ammonia and Its Effects on Plants	Pearson, J…	1993
Zinc Phytotoxicity	Chaney, R.…	1993