Contaminant Concentrations And Risks Associated With The Pacific Oyster In The Highly Urbanized San Diego Bay

Talley, Theresa Sinicrope; Loflen, Chad; Gossett, Rich; Pedersen, David; Venuti, Nina; Nguyen, Julie; Gersberg, Richard

doi:10.1016/j.marpolbul.2021.113132

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Contaminant Concentrations And Risks Associated With The Pacific Oyster In The Highly Urbanized San Diego Bay

2022
By Talley, Theresa Sinicrope ; Loflen, Chad ; Gossett, Rich ; ...
Source: Marine Pollution Bulletin, 174: 113132

[PDF-4.53 MB]

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Journal Title:

Marine Pollution Bulletin
Personal Author:

Talley, Theresa Sinicrope ; Loflen, Chad ; Gossett, Rich ; Pedersen, David ; Venuti, Nina ; ... More +

Talley, Theresa Sinicrope ; Loflen, Chad ; Gossett, Rich ; Pedersen, David ; Venuti, Nina ; Nguyen, Julie ; Gersberg, Richard Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; Sea Grant

OAR (Oceanic and Atmospheric Research) ; Sea Grant Less -
Sea Grant Program:

CASG/CUIMR (California Sea Grant)
Description:

Contaminant concentrations in filter-feeding shellfish may indicate the health of coastal waters and consumption risks. Widespread expansion of the Pacific oyster (Crassostrea gigas) and its popularity as food make it a useful sentinel. We surveyed intertidal Pacific oysters in San Diego Bay, California for contaminants during summer 2018 and winter 2019. We compared contaminants in Pacific oyster to California mussel from California's State Mussel Watch Program (1993-2003) and human consumption thresholds. Contaminants such as neonicotinoid and chlorinated pesticides, selenium, and several metals were higher in Pacific oysters in summer, while PBDEs, benzylbutyl phthalate, and plastics were higher in winter. Contaminant levels were generally lower in Pacific oyster than mussel except for copper and zinc. Bay-wide PCB concentrations in oysters exceeded thresholds but individual samples (locations) also met or surpassed chlordane, PCB and PAH thresholds. Monitoring and risk assessments that consider species' biology, season, location, effects of multiple contaminants, and human consumption patterns will contribute to more effective consumption guidelines.
Keywords:

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Oysters Pollutants
Source:

Marine Pollution Bulletin, 174: 113132
DOI:

https://doi.org/10.1016/j.marpolbul.2021.113132
Document Type:

Journal Article
Place as Subject:

San Diego Bay (Calif.)
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CC BY-NC-ND
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Submitted
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urn:sha256:bea87f62ba0b8c769ecea0657bb6238e2d1261b75bf76693f56ee46683d8cda0
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https://repository.library.noaa.gov/view/noaa/43115/noaa_43115_DS1.pdf
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Contaminant Concentrations And Risks Associated With The Pacific Oyster In The Highly Urbanized San Diego Bay

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