Title Authors Year
Acidification and Otter (Lutra lutra) Distribution in Scotland

Mason, C.F…

1989
A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture

Adema, D ;…

1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

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

HMSO,

 		1989
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