Title Authors Year
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.

Cape, J.N…

1993
Air Pollution and Tree Health in the United Kingdom

DOE, .

 		1993
North Sea quality status report 1993

OSPARCOM,…

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
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
Critical Loads: Concepts and Applications

Harriman, R…

1993
Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain

Woodin, S.J…

1993