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Title: Radiocesium (137Cs) concentrations in the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia)

Abstract

This study sought to determine radiocesium (137Cs) concentrations in two species of aquatic salamanders – the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia) on the Savannah River Site. Concentrations (137Cs Bq/g, dry wt) of the two species were similar at both 137Cs-contaminated (A. means = 0.733 ± 0.242, n = 5; S. intermedia = 0.839 ± 0.722, n = 5) and reference sites (A. means = 0.028 ± 0.020, n = 5; S. intermedia = 0.042 ± 0.027, n = 11). Salamanders captured in areas impacted by 137Cs contamination exhibited significantly higher 137Cs concentrations than individuals captured at reference sites (U = 146, p < 0.001). Salamander size (snout-vent length) was not correlated with whole-body 137Cs. An analysis of our data using the ERICA tool suggests that negative impacts due to 137Cs exposure are unlikely in these species. Overall, these data indicate that A. means and S. intermedia inhabiting contaminated sites bioaccumulate but do not biomagnify 137Cs.

Authors:
 [1];  [2]
+ Show Author Affiliations
  1. Savannah River Site (SRS), Aiken, SC (United States). Savannah River Ecology Lab. (SREL); Univ. of Georgia, Athens, GA (United States)
  2. Savannah River Site (SRS), Aiken, SC (United States). Savannah River Ecology Lab. (SREL)
Publication Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States). Savannah River Ecology Lab. (SREL)
Sponsoring Org.:
USDOE Office of Environmental Management (EM)
OSTI Identifier:
1799581
Alternate Identifier(s):
OSTI ID: 1574534
Grant/Contract Number:  
EM0004391
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Environmental Radioactivity
Additional Journal Information:
Journal Volume: 213; Journal ID: ISSN 0265-931X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.

Citation Formats

Haskins, David L., and Bryan, Albert L. Radiocesium (137Cs) concentrations in the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia). United States: N. p., 2019. Web. doi:10.1016/j.jenvrad.2019.106107.
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Haskins, David L., & Bryan, Albert L. Radiocesium (137Cs) concentrations in the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia). United States. https://doi.org/10.1016/j.jenvrad.2019.106107
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Haskins, David L., and Bryan, Albert L. Mon . "Radiocesium (137Cs) concentrations in the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia)". United States. https://doi.org/10.1016/j.jenvrad.2019.106107. https://www.osti.gov/servlets/purl/1799581.
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@article{osti_1799581,
title = {Radiocesium (137Cs) concentrations in the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia)},
author = {Haskins, David L. and Bryan, Albert L.},
abstractNote = {This study sought to determine radiocesium (137Cs) concentrations in two species of aquatic salamanders – the two-toed amphiuma (Amphiuma means) and the lesser siren (Siren intermedia) on the Savannah River Site. Concentrations (137Cs Bq/g, dry wt) of the two species were similar at both 137Cs-contaminated (A. means = 0.733 ± 0.242, n = 5; S. intermedia = 0.839 ± 0.722, n = 5) and reference sites (A. means = 0.028 ± 0.020, n = 5; S. intermedia = 0.042 ± 0.027, n = 11). Salamanders captured in areas impacted by 137Cs contamination exhibited significantly higher 137Cs concentrations than individuals captured at reference sites (U = 146, p < 0.001). Salamander size (snout-vent length) was not correlated with whole-body 137Cs. An analysis of our data using the ERICA tool suggests that negative impacts due to 137Cs exposure are unlikely in these species. Overall, these data indicate that A. means and S. intermedia inhabiting contaminated sites bioaccumulate but do not biomagnify 137Cs.},
doi = {10.1016/j.jenvrad.2019.106107},
journal = {Journal of Environmental Radioactivity},
number = ,
volume = 213,
place = {United States},
year = {Mon Nov 18 00:00:00 EST 2019},
month = {Mon Nov 18 00:00:00 EST 2019}
}
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https://doi.org/10.1016/j.jenvrad.2019.106107
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