Abstract:
: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.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Corbett PA,King CK,Mondon JAdoi
10.1016/j.marenvres.2015.05.011subject
Has Abstractpub_date
2015-08-01 00:00:00pages
28-40eissn
0141-1136issn
1879-0291pii
S0141-1136(15)00086-0journal_volume
109pub_type
杂志文章abstract::The use of fish in environmental monitoring has become increasingly important in recent years as anthropogenic substances, many of which function as prooxidants, are accumulating in aquatic environments. We have measured a battery of antioxidant defenses as a measure of oxidative status, as well as protein carbonylati...
journal_title:Marine environmental research
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journal_title:Marine environmental research
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journal_title:Marine environmental research
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journal_title:Marine environmental research
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journal_title:Marine environmental research
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journal_title:Marine environmental research
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journal_title:Marine environmental research
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