APIS Bibliography

Title	Authors	Year
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	1993
Zinc Phytotoxicity	Chaney, R.…	1993
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
North Sea quality status report 1993	OSPARCOM,…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	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
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993