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
Bryophytes and Nutrient Cycling

Brown, D.H…

1990
Toxicity of heavy metals to brine shrimp Artemia.

Gajbhiye, S…

1990
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers

Weigel, H.J…

1990
Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland.

Kreiser, A.…

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

Muniz, I.P…

1990
Boron hazards to fish, wildlife, and invertebrates: a synoptic review

Eisler, R…

1990
The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline".

Cape, J.N…

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

Ashenden, T…

1990