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

Nir, R ;…

1990
Wildlife toxicology

Hoffman, D.…

1990
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.

Houlden, G…

1990
Bryophytes and heavy metals: a literature review

Tyler, G.…

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

Beebee, T.J…

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
Large Lakes: ecological structure and function

Kilham, S.S…

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

Jordan, C…

1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.

Oenema, O…

1990