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
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
Lake Acidification in the United Kingdom 1800-1986

Battarbee,…

1988
Environmental Health Criteria 81 Vanadium

WHO,

 		1988
Modelled historical concentrations and depositions of ammonia and ammonium in Europe

Asman, W.A.…

1988
Effects of excessive ammonium deposition on the nutritional status and condition of pine needles

Dijk, H.F.G…

1988
Nitrogen and carbon isotope ratios in seabird rookeries and their ecological implications

Mizutani, H…

1988