Accumulation of 90Sr in the bone tissue of northern mole voles in the head portion of the East Ural Radioactive Trace

Accumulation of 90Sr in the bone tissue of northern mole voles in the head portion of the East... The accumulation of 90Sr in the bone tissue of northern mole voles (Ellobius talpinus Pallas, 1770) living under chronic exposure to 90Sr in the center of the Eastern Ural Radioactive Trace (EURT) with a 90Sr contamination density of 37 MBq/m2 or 1000 Ci/km2 has been evaluated. Northern mole voles live under-ground and are characterized by family organization of populations and an extremely weak tendency toward dispersal. While there are no sex- or age-related differences in 90Sr accumulation, sevenfold interindividual differences have been found. Hereditary (familial) determination of the variability of 90Sr accumulation has been demonstrated. The probable causes of the difference in the familial component from the results of laboratory experiments on inbred mice are considered. The age-related inversion of 90Sr accumulation previously found in other mammalian species in the EURT area has been confirmed. A possible mechanism of its formation is suggested. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Accumulation of 90Sr in the bone tissue of northern mole voles in the head portion of the East Ural Radioactive Trace

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Environment, general; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S1067413611010115
Publisher site
See Article on Publisher Site

Abstract

The accumulation of 90Sr in the bone tissue of northern mole voles (Ellobius talpinus Pallas, 1770) living under chronic exposure to 90Sr in the center of the Eastern Ural Radioactive Trace (EURT) with a 90Sr contamination density of 37 MBq/m2 or 1000 Ci/km2 has been evaluated. Northern mole voles live under-ground and are characterized by family organization of populations and an extremely weak tendency toward dispersal. While there are no sex- or age-related differences in 90Sr accumulation, sevenfold interindividual differences have been found. Hereditary (familial) determination of the variability of 90Sr accumulation has been demonstrated. The probable causes of the difference in the familial component from the results of laboratory experiments on inbred mice are considered. The age-related inversion of 90Sr accumulation previously found in other mammalian species in the EURT area has been confirmed. A possible mechanism of its formation is suggested.

Journal

Russian Journal of EcologySpringer Journals

Published: Jan 28, 2011

References

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