Effect of the pollutants lead, zinc, hexadecane and octocosane on total growth and shell growth in the Akoya pearl oyster, Pinctada imbricata

S P Gifford; G R Macfarlane; Wayne A O'Connor; R H Dunstan

doi:10.2983/0730-8000(2006)25[159:EOTPLZ]2.0.CO;2

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Effect of the pollutants lead, zinc, hexadecane and octocosane on total growth and shell growth in the Akoya pearl oyster, Pinctada imbricata

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Effect of the pollutants lead, zinc, hexadecane and octocosane on total growth and shell growth in the Akoya pearl oyster, Pinctada imbricata

S P Gifford, G R Macfarlane, Wayne A O'Connor and R H Dunstan

Journal of Shellfish Research, Vol.25(1), pp.159-165

2006

DOI: https://doi.org/10.2983/0730-8000(2006)25[159:EOTPLZ]2.0.CO;2

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Abstract

pinctada

oyster

pollution

biomineralization

pearl

metals

shell

aquaculture

Pearl oysters (Pinctada Imbricata) were held in the laboratory and exposed to various levels of the heavy metals lead and zinc and the aliphatic hydrocarbons hexadecane and octacosane for 2 months. Individual oysters were followed over the course of the experiment, allowing specific calculation of total oyster growth (wet weight) and shell growth. Significant reductions in total oyster growth were observed when oysters were exposed to high concentrations (270μg L-1) of either zinc or lead. Exposure to the aliphatic hydrocarbons had no effect on total oyster growth. High concentrations of lead completely halted shell growth, the first demonstration of pollutant induced cessation of biomineralization in pearl oysters. Conversely, exposure to moderate levels of lead and the long-chain hydrocarbon octacosane resulted in significant increases in shell width growth. The results from this study indicate that F. imbricata is relatively tolerant of the selected pollutants and could be deployed within a remediative context in moderately polluted coastal areas.

Details

Title: Effect of the pollutants lead, zinc, hexadecane and octocosane on total growth and shell growth in the Akoya pearl oyster, Pinctada imbricata
Authors: S P Gifford (Author) - University of Newcastle
G R Macfarlane (Author) - University of Newcastle
Wayne A O'Connor (Author) - Port Stephens Fisheries Centre
R H Dunstan (Author) - University of Newcastle
Publication details: Journal of Shellfish Research, Vol.25(1), pp.159-165
Publisher: National Shellfisheries Association, Inc.
Date published: 2006
DOI: 10.2983/0730-8000(2006)25[159:EOTPLZ]2.0.CO;2
ISSN: 0730-8000
Organisation Unit: University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy
Language: English
Record Identifier: 99451137902621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Fisheries; Marine & Freshwater Biology