Title Authors Year
Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms

Couillard,…

1989
Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.

Ormerod, S.…

1989
Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980

Dignon, J…

1989
A global assessment of natural sources of atmospheric trace metals

Nriagu, J.O…

1989
Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese

Garg, V. K…

1989
Forest decline and Air Pollution

Schulze, E.…

1989
Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests

Tyler, G.…

1989
Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping.

Hawksworth…

1989
Water and the Environment. Circular 7/89

Department…

1989
Surface Waters (Dangerous Substances) (Classification) Regulations No 2286

HMSO,

 		1989