Title Authors Year
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.

Bobbink, R…

1993
North Sea quality status report 1993

OSPARCOM,…

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
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris

…

1993
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.

Cape, J.N…

1993
Reproduction in two submersed macrophytes declines progressively at low pH.

Titus, J.E…

1993
Air Pollution and Tree Health in the United Kingdom

DOE, .

 		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