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Intraspecific Variation in Calcium and Strontium Accumulation / Depuration in an Epigeic Earthworm Species

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Herbert, Rob, West, H.K., Davies, M.S. and Morgan, A.J. (2001) Intraspecific Variation in Calcium and Strontium Accumulation / Depuration in an Epigeic Earthworm Species. European Journal of Soil Biology, 37 (4). pp. 329-332. ISSN 1164-5563

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Official URL: http://www.sciencedirect.com/science?_ob=ArticleUR...

Abstract

The accumulation and depuration of Ca and Sr were measured in populations of the earthworm Lumbricus rubellus, originating from calcareous and acidic soils, following laboratory exposure to a Sr-rich soil and a control soil. Populations from acidic soils accumulated more Sr than those from calcareous soils, when placed in a Sr-rich soil. After transferal from a Sr-rich soil to Sr-free soil, all populations depurated the majority of their body Sr (84 %-96 %) whilst maintaining their body Ca concentration; the Sr excretion was greater in the populations originating from acidic soils. ICP-MS cation analysis demonstrated the majority of Ca and Sr to be located in anterior alimentary canal and the majority of Sr was lost from this region.

Item Type:	Article
Additional Information:	The electronic full-text cannot be supplied for this item. Please check availability with your local library or Interlibrary Requests Service.
Uncontrolled Discrete Keywords:	calcium, earthworm, population, differentiation, strontium, SERG
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	College of Health, Life and Environmental Sciences > School of Science and the Environment
Depositing User:	Rob Herbert
Date Deposited:	03 Dec 2009 14:47
Last Modified:	31 Jul 2020 14:18
URI:	https://eprints.worc.ac.uk/id/eprint/758

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