APIS Bibliography

Title	Authors	Year
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	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
Terrestrial SSSIs at risk from soil acidification in Wales	Sketch, C.A…	1993
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	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
Salt-Marsh Processes - a Review	Vernberg, F…	1993