Direct evidence of histopathological impacts of wastewater discharge on resident Antarctic fish (Trematomus bernacchii) at Davis Station, East Antarctica.

Corbett,PA, King,CK, Stark,JS and Mondon,JA 2014, Direct evidence of histopathological impacts of wastewater discharge on resident Antarctic fish (Trematomus bernacchii) at Davis Station, East Antarctica., Marine Pollution Bulletin, vol. 87, no. 1-2, pp. 48-56, doi: 10.1016/j.marpolbul.2014.08.012.

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Title Direct evidence of histopathological impacts of wastewater discharge on resident Antarctic fish (Trematomus bernacchii) at Davis Station, East Antarctica.
Author(s) Corbett,PA
King,CK
Stark,JS
Mondon,JAORCID iD for Mondon,JA orcid.org/0000-0002-0643-7540
Journal name Marine Pollution Bulletin
Volume number 87
Issue number 1-2
Start page 48
End page 56
Total pages 9
Publisher Elsevier
Place of publication London, United Kingdom
Publication date 2014-10-15
ISSN 1879-3363
Keyword(s) Biomarker
Gill
Histopathology
Liver
Sewage
Science & Technology
Life Sciences & Biomedicine
Environmental Sciences
Marine & Freshwater Biology
Environmental Sciences & Ecology
DIPHENYL ETHERS PBDES
TERRA-NOVA BAY
BROWN TROUT
PHYSIOLOGICAL-RESPONSES
CASEY STATION
TRACE-METALS
GILLS
POLLUTION
Animals
Antarctic Regions
Fish Diseases
Perciformes
Sewage
Waste Water
Biomarker
Summary During the 2009/2010 summer, a comprehensive environmental impact assessment (EIA) of the wastewater discharge at Davis Station, East Antarctica was completed. As part of this, histological alteration of gill and liver tissue in Antarctic Rock-cod (Trematomus bernacchii) from four sites along a spatial gradient from the wastewater outfall were assessed. All fish within 800 m of the outfall exhibited significant histological changes in both tissues. Common pathologies observed in fish closest to the outfall include proliferation of epithelial cells with associated secondary lamellar fusion in the gills and multifocal granulomata with inflammation and necrosis as well as cysts in the liver. Fish from sites >800 m from the outfall also exhibited alterations but to a lesser degree, with prevalence and severity decreasing with increasing distance from the outfall. This study highlights the value of histopathological investigations as part of EIAs and provides the first evidence of sub-lethal alteration associated with wastewater discharge in East Antarctica.
Language eng
DOI 10.1016/j.marpolbul.2014.08.012
Field of Research 050204 Environmental Impact Assessment
Socio Economic Objective 960502 Ecosystem Assessment and Management of Antarctic and Sub-Antarctic Environments
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30068215

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