Herbert, Rob and West, H.K. and 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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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.
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|Uncontrolled Keywords:||calcium, earthworm, population, differentiation, strontium|
|Subjects:||S Agriculture > S Agriculture (General)|
|Divisions:||Academic Departments > Institute of Science and the Environment|
|Deposited By:||Rob Herbert|
|Deposited On:||03 Dec 2009 14:47|
|Last Modified:||03 Dec 2009 14:47|
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