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

Muniz, I.P…

1990
The effect of air quality on tree growth.

Lee, H.S.J…

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

McNeill, S…

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

Arts, G.H.P…

1990