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
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
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

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
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
Effects of SO2, NO2, and O3 on Population Development and Morphological and Physiological Parameters of Native Herb Layer Species in a Beech Forest.

Steubing, L…

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

HMSO,

 		1989