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Comparison of metal levels in invertebrate detritivores and their natural diets: Concentration factors reassessed by Phillip Williamson is a Environmental Science article available to read on EtoBox.

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Concentration Factors (ppm in animal: ppm in diet) are presented for lead, zinc and cadmium in the snail Cepaea hortensis, and for lead and zinc in the woodlice Oniscus asellus and Philoscia muscorum, sampled at roadside sites. For each species such factors were found to be extremely variable, affected not only by season, and size and/or age of animals, but also by the choice of data used in estimating metal levels in the diet. It is concluded that factors other than seasonal changes in metal levels of senescent vegetation are primarily responsible for withinsite variation in the lead, zinc and cadmium concentrations of invertebrate detritivores.

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Author

Phillip Williamson

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0029-8549)

Published

1979

Language

EN

Field

Environmental Science (Physical Sciences)