APIS Bibliography

Title	Authors	Year
North Sea quality status report 1993	OSPARCOM,…	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	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
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Stratospheric Aerosol Optical Depths, 1850-1990.	Sato, M. ;…	1993
Terrestrial SSSIs at risk from acidification in Scotland	Ross, A.…	1993