Title Authors Year
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Lichen Physiology and Air-Pollution .2. Statistical-Analysis of the Correlation between SO2, NO2, NO and O3, and Chlorophyll Content, Net Photosynthesis, Sulfate Uptake and Protein- Synthesis of Parmelia-Sulcata Taylor

Von Arb, C…

1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees

Näsholm, T…

1990
Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects

McNeill, S…

1990
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Water and the Environment. Circular 7/89

Department…

1989
Deposition of atmospheric pollutants on forests

Fowler, D…

1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Peat acidification in Scotland

Skiba, U.;…

1989
Effects of cadmium and PCBs on reproduction of the sea star Asterias rubens: aberrations in the early development

Besten, P.…

1989