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
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.

Bobbink, R…

1993
North Sea quality status report 1993

OSPARCOM,…

1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements

Loch, J ;…

1993
Salt-Marsh Processes - a Review

Vernberg, F…

1993
Sphagnum species and polluted environments, past and future

Lee, J.A.;…

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
Critical Loads: Concepts and Applications

Harriman, R…

1993