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Toxicity to Woodlice of Zinc and Lead Oxides Added to Soil Litter

W. Nelson Beyer and Allen Anderson
Ambio
Vol. 14, No. 3 (1985), pp. 173-174
Published by: Springer on behalf of Royal Swedish Academy of Sciences
Stable URL: http://www.jstor.org/stable/4313137
Page Count: 2
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Abstract

Woodlice were used as a bioassay to determine the toxicity of soil litter treated with oxides of lead or zinc in the range of 100 ppm to 12,800 ppm. The survival of the adults, the maximum number of young alive at any time, and the average number of young alive, were recorded over 64 weeks. Lead at 12,800 ppm and zinc at 1,600 ppm or more had statistically significant negative effects on the laboratory populations.

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