Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 71, Issue 2, Pages 590-596Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2007.10.029
Keywords
dose-effect relationship; growth; non-human biota; radiological protection; reproduction; soil invertebrate; springtails; survival
Categories
Funding
- National Institute of Radiological Sciences
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An understanding or the effects or ionizing radiation on non-human biota is required by the International Commission on Radiological Protection for the radiological protection of the environment. We examined dose-effect relationships for gamma radiation on Survival, growth, and reproduction in the soil invertebrate Folsomia candida (Collembola) in a standard laboratory test. F candida were acutely irradiated at increasing doses of gamma radiation, and subsequent survival, growth in body length, and number of neonates produced by irradiated specimens were examined. The 50% lethal dose was at 1356 Gy, and the 10%,, and 50% effective doses (ED10 and ED50) for growth were at 32 and 144 Gy, respectively. The ED10 and ED50 values for reproduction were at 7.1 and 21.9 Gy, respectively. These data establish important baselines for the radiological protection of terrestrial ecosystems based on scientific principles. (C) 2007 Elsevier Inc. All rights reserved.
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