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Application of a quantitative histological health index for Antarctic rock cod (Trematomus bernacchii) from Davis Station, East Antarctica

Corbett, Patricia A., King, Catherine K. and Mondon, Julie A. 2015, Application of a quantitative histological health index for Antarctic rock cod (Trematomus bernacchii) from Davis Station, East Antarctica, Marine environmental research, vol. 109, pp. 28-40, doi: 10.1016/j.marenvres.2015.05.011.

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Title Application of a quantitative histological health index for Antarctic rock cod (Trematomus bernacchii) from Davis Station, East Antarctica
Author(s) Corbett, Patricia A.
King, Catherine K.
Mondon, Julie A.ORCID iD for Mondon, Julie A. orcid.org/0000-0002-0643-7540
Journal name Marine environmental research
Volume number 109
Start page 28
End page 40
Total pages 13
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015
ISSN 0141-1136
1879-0291
Keyword(s) Biomarker
Gill
Histological health index
Histopathology
Liver
Sewage
Wastewater
Summary A quantitative Histological Health Index (HHI) was applied to Antarctic rock cod (Trematomus bernacchii) using gill, liver, spleen, kidney and gonad to assess the impact of wastewater effluent from Davis Station, East Antarctica. A total of 120 fish were collected from 6 sites in the Prydz Bay region of East Antarctica at varying distances from the wastewater outfall. The HHI revealed a greater severity of alteration in fish at the wastewater outfall, which decreased stepwise with distance. Gill and liver displayed the greatest severity of alteration in fish occurring in close proximity to the wastewater outfall, showing severe and pronounced alteration respectively. Findings of the HHI add to a growing weight of evidence indicating that the current level of wastewater treatment at Davis Station is insufficient to prevent impact to the surrounding environment. The HHI for T. bernacchii developed in this study is recommended as a useful risk assessment tool for assessing in situ, sub-lethal impacts from station-derived contamination in coastal regions throughout Antarctica.
Language eng
DOI 10.1016/j.marenvres.2015.05.011
Field of Research 070404 Fish Pests and Diseases
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073922

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