APIS Bibliography

Title	Authors	Year
North Sea quality status report 1993	OSPARCOM,…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Air Pollution and Tree Health in the United Kingdom	DOE, .	1993
The Deposition of Atmospheric Ammonia and Its Effects on Plants	Pearson, J…	1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	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
Stratospheric Aerosol Optical Depths, 1850-1990.	Sato, M. ;…	1993
The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales	Farmer, A.M…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993