The deep-sea as a final global sink of semivolatile persistent organic pollutants? Part I: PCBs in surface and deep-sea dwelling fish of the North and South Atlantic and the Monterey Bay Canyon (California)

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Froescheis, O., Looser, R., Cailliet, G. M., Jarman, W. M., & Ballschmiter, K. (2000). The deep-sea as a final global sink of semivolatile persistent organic pollutants? Part I: PCBs in surface and deep-sea dwelling fish of the North and South Atlantic and the Monterey Bay Canyon (California). Chemosphere, 40(6), 651-660. doi:10.1016/S0045-6535(99)00461-0
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TitleThe deep-sea as a final global sink of semivolatile persistent organic pollutants? Part I: PCBs in surface and deep-sea dwelling fish of the North and South Atlantic and the Monterey Bay Canyon (California)
AuthorsO. Froescheis, R. Looser, G. Cailliet, W. Jarman, K. Ballschmiter
AbstractThe understanding of the global environmental multiphase distribution of persistent organic pollutants (POPs) as a result of the physico-chemical properties of the respective compounds is well established. We have analysed the results of a vertical transport of POPs from upper water layers (0-200 m) to the deepwater region (>800 m) in terms of the contamination of the biophase in both water layers. The contents of persistent organochlorine compounds like polychlorinated biphenyls (PCBs) in fish living in the upper water layers of the North Atlantic and the South Atlantic, and at the continental shelf of California (Marine Sanctuary Monterey Bay and its deep- sea Canyon) are compared to the levels in deep-sea or bottom dwelling fish within the same geographic area. The deep-sea biota show significantly higher burdens as compared to surface-living species of the same region. There are also indications for recycling processes of POPs - in this case the PCBs - in the biophase of the abyss as well. It can be concluded that the bio- and geo phase of the deep-sea may act similarly as the upper horizons of forest and grasslands on the continents as an ultimate global sink for POPs in the marine environment. (C) 2000 Elsevier Science Ltd.
JournalChemosphere
Date2000
Volume40
Issue6
Start page651
End page660
ISSN0045-6535
Subjectsorganochlorine derivative, polychlorinated biphenyl, bioaccumulation, fish, marine pollution, organic compound, PCB, article, Atlantic Ocean, geographic distribution, marine environment, nonhuman, water contamination, water pollutant, Animals, California, Ecosystem, Environmental Monitoring, Fishes, Polychlorinated Biphenyls, Water Pollutants, Chemical, United States, cellular organisms
NoteCited By (since 1996):56, Ecology, Fish and Fisheries, CODEN: CMSHA

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