Title Authors Year
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.

Hove, L.W.A…

1991
Increases in soil acidity in north west Wales between 1957 and 1990

…

1991
Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions

Nir, R ;…

1990
Wildlife toxicology

Hoffman, D.…

1990
Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals

Muniz, I.P…

1990
The effects of sulphur dioxide on the parasitism of the rust fungus Uromyces viciae-fabae on Vicia faba.

Lorenzini,…

1990
The effect of air quality on tree growth.

Lee, H.S.J…

1990
Bryophytes and heavy metals: a literature review

Tyler, G.…

1990
Effects of nitrogen dioxide pollution on the growth of 3 fern species.

Ashenden, T…

1990
Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century

Arts, G.H.P…

1990