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Issue 1, 2014
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Environmental specimen banks as a resource for mercury and mercury isotope research in marine ecosystems

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Abstract

Environmental specimen banks (ESBs) have been a fundamental tool for many nations to monitor contaminant temporal and spatial trends, study fate and transport, and assess the severity and risks of pollution. The specimens archived in ESBs are among the longest time-series, most geographically robust, and highest integrity samples available for performing environmental research. Mercury (Hg) remains one of the world's most ubiquitous environmental contaminants, and ESBs have played a prominent role in Hg research. Historically this has involved measuring concentrations of Hg species in various environmental matrices, but the emerging field of Hg stable isotope research provides a new analytical approach that can augment these traditional techniques. Signatures of Hg isotope fractionation have been effectively used for source apportionment and for elucidating Hg biogeochemical cycling. As the research surrounding Hg stable isotopes continues to mature, ESBs can play a useful role in analytical quality control, provide a robust and economical sample archive to expand and diversify the inventory of Hg isotope measurements, and be used to develop and test hypotheses to evaluate whether broadly prevailing paradigms are supported. Samples archived in ESBs are available for request by external collaborators in order to perform high impact research, and should be utilized more effectively to address emerging global environmental concerns.

Graphical abstract: Environmental specimen banks as a resource for mercury and mercury isotope research in marine ecosystems

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Publication details

The article was received on 22 May 2013, accepted on 24 Sep 2013 and first published on 28 Oct 2013


Article type: Perspective
DOI: 10.1039/C3EM00261F
Citation: Environ. Sci.: Processes Impacts, 2014,16, 10-27
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    Environmental specimen banks as a resource for mercury and mercury isotope research in marine ecosystems

    R. D. Day, P. R. Becker, O. F. X. Donard, R. S. Pugh and S. A. Wise, Environ. Sci.: Processes Impacts, 2014, 16, 10
    DOI: 10.1039/C3EM00261F

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