Title Authors Year
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)

Dueck, T.A…

1990
Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California.

Huettl, R.F…

1990
Wildlife toxicology

Hoffman, D.…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

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

Ashenden, T…

1990
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments

Elser, J.J…

1990
Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification

Beebee, T.J…

1990
Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids

Buhl, K. J…

1990
Acidic Deposition, its nature and impacts, Glasgow Conference Abstracts

Caporn, S.J…

1990
The variation in the acidity of ground and surface waters in Northern Ireland

Jordan, C…

1990