Water hardness determines (226)Ra uptake in the tropical freshwater mussel.

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Abstract

Chemical data for freshwater mussels (Velesunio spp.) and water from 15 sampling sites in the Alligator Rivers Region and Rum Jungle uranium provinces in tropical Northern Australia were analysed to develop a predictive model of radium-226 ((226)Ra) bioaccumulation for variable water calcium (Ca) and magnesium (Mg) concentrations. Application of the model as a (226)Ra screening approach for freshwater mussels in tropical waterbodies potentially impacted by operational or remediated uranium mine sites is discussed in relation to Mudginberri Billabong, located approximately 12 km downstream of Ranger uranium mine in the Alligator Rivers Region.

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Author and article information

Journal

Journal ID (iso-abbrev): J Environ Radioact

Title: Journal of environmental radioactivity

Publisher: Elsevier BV

ISSN (Electronic): 1879-1700

ISSN (Print): 0265-931X

Publication date (Electronic): Jun 2017

Volume: 172

Affiliations

[1 ] Environmental Research Institute of the Supervising Scientist (ERISS), GPO Box 461, Darwin, NT 0801, Australia. Electronic address: che.doering@environment.gov.au.

[2 ] Environmental Research Institute of the Supervising Scientist (ERISS), GPO Box 461, Darwin, NT 0801, Australia; Federal Office for Radiation Protection (Bundesamt für Strahlenschutz, BfS), 79098 Freiburg, Germany.

Article

Publisher Item ID: S0265-931X(17)30087-5

DOI: 10.1016/j.jenvrad.2017.03.019

PubMed ID: 28342344

SO-VID: 460b63ce-1ea7-4121-a8f9-73b75437e2b3

History

Keywords: Bioaccumulation,Bivalve mollusc,Freshwater ecosystem,Radium-226,Tropical radioecology,Uranium mining

Data availability:

Keywords: Bioaccumulation, Bivalve mollusc, Freshwater ecosystem, Radium-226, Tropical radioecology, Uranium mining

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