Title Authors Year
A regression model for nitrate leaching in Northern Ireland.

Smith, R.V…

1989
Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms

Couillard,…

1989
Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test

Kühn, R ;…

1989
A global assessment of natural sources of atmospheric trace metals

Nriagu, J.O…

1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
Water and the Environment. Circular 7/89

Department…

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

Hawksworth…

1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

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

HMSO,

 		1989