Metals and organotins in multiple bivalve species in a one-off global survey

Martin Mørk Larsen, Jakob Strand, Katrin Vorkamp, Asger B. Hansen, Ole Andersen

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

    Resumé

    The Galathea 3 expedition circumnavigated the globe in 2006-2007 and collected marine samples from six continents. Bivalves were collected from harbours, other impacted locations and reference sites, and samples from 57 sites were analyzed for metals and 47 for organotins, to assess current contamination levels on a global scale. Metal concentrations in nine bivalve species were normalised to the Mytilidae family using conversion factors based on cosampled species and literature bioconcentration factors. The lowest metal and tributyltin concentrations were below background assessment concentrations (BACs) agreed in the Oslo-Paris convention (OSPAR) for the North Sea, and at most harbours the concentrations were orders of magnitude above BACs. The lowest concentrations of Cd and Pb measured here suggest that the BACs should be lower in a worldwide context. The sources of metals were classified according to human impact using principal component analysis. High relative concentrations of Hg, Pb and P were source indicators for industrial activity and land use; Zn, organotins, Cd and Cu for shipping activities, and V for oil spills. Generally the concentration levels at reference sites were low, but not always lower than expected impacted areas. The most contaminated areas were harbours, where especially Copenhagen, St Croix and Sydney, can be considered hotspots of tributyltin as well as a number of metals.
    OriginalsprogEngelsk
    TidsskriftJournal of Environmental Monitoring
    Vol/bind13
    Udgave nummer6
    Sider (fra-til)1793-1802
    ISSN1464-0325
    DOI
    StatusUdgivet - 2011

    Citer dette

    Larsen, M. M., Strand, J., Vorkamp, K., Hansen, A. B., & Andersen, O. (2011). Metals and organotins in multiple bivalve species in a one-off global survey. Journal of Environmental Monitoring, 13(6), 1793-1802 . https://doi.org/10.1039/c0em00698j
    Larsen, Martin Mørk ; Strand, Jakob ; Vorkamp, Katrin ; Hansen, Asger B. ; Andersen, Ole. / Metals and organotins in multiple bivalve species in a one-off global survey. I: Journal of Environmental Monitoring. 2011 ; Bind 13, Nr. 6. s. 1793-1802 .
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    abstract = "The Galathea 3 expedition circumnavigated the globe in 2006-2007 and collected marine samples from six continents. Bivalves were collected from harbours, other impacted locations and reference sites, and samples from 57 sites were analyzed for metals and 47 for organotins, to assess current contamination levels on a global scale. Metal concentrations in nine bivalve species were normalised to the Mytilidae family using conversion factors based on cosampled species and literature bioconcentration factors. The lowest metal and tributyltin concentrations were below background assessment concentrations (BACs) agreed in the Oslo-Paris convention (OSPAR) for the North Sea, and at most harbours the concentrations were orders of magnitude above BACs. The lowest concentrations of Cd and Pb measured here suggest that the BACs should be lower in a worldwide context. The sources of metals were classified according to human impact using principal component analysis. High relative concentrations of Hg, Pb and P were source indicators for industrial activity and land use; Zn, organotins, Cd and Cu for shipping activities, and V for oil spills. Generally the concentration levels at reference sites were low, but not always lower than expected impacted areas. The most contaminated areas were harbours, where especially Copenhagen, St Croix and Sydney, can be considered hotspots of tributyltin as well as a number of metals.",
    author = "Larsen, {Martin M{\o}rk} and Jakob Strand and Katrin Vorkamp and Hansen, {Asger B.} and Ole Andersen",
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    Larsen, MM, Strand, J, Vorkamp, K, Hansen, AB & Andersen, O 2011, 'Metals and organotins in multiple bivalve species in a one-off global survey', Journal of Environmental Monitoring, bind 13, nr. 6, s. 1793-1802 . https://doi.org/10.1039/c0em00698j

    Metals and organotins in multiple bivalve species in a one-off global survey. / Larsen, Martin Mørk; Strand, Jakob; Vorkamp, Katrin; Hansen, Asger B.; Andersen, Ole.

    I: Journal of Environmental Monitoring, Bind 13, Nr. 6, 2011, s. 1793-1802 .

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

    TY - JOUR

    T1 - Metals and organotins in multiple bivalve species in a one-off global survey

    AU - Larsen, Martin Mørk

    AU - Strand, Jakob

    AU - Vorkamp, Katrin

    AU - Hansen, Asger B.

    AU - Andersen, Ole

    PY - 2011

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    N2 - The Galathea 3 expedition circumnavigated the globe in 2006-2007 and collected marine samples from six continents. Bivalves were collected from harbours, other impacted locations and reference sites, and samples from 57 sites were analyzed for metals and 47 for organotins, to assess current contamination levels on a global scale. Metal concentrations in nine bivalve species were normalised to the Mytilidae family using conversion factors based on cosampled species and literature bioconcentration factors. The lowest metal and tributyltin concentrations were below background assessment concentrations (BACs) agreed in the Oslo-Paris convention (OSPAR) for the North Sea, and at most harbours the concentrations were orders of magnitude above BACs. The lowest concentrations of Cd and Pb measured here suggest that the BACs should be lower in a worldwide context. The sources of metals were classified according to human impact using principal component analysis. High relative concentrations of Hg, Pb and P were source indicators for industrial activity and land use; Zn, organotins, Cd and Cu for shipping activities, and V for oil spills. Generally the concentration levels at reference sites were low, but not always lower than expected impacted areas. The most contaminated areas were harbours, where especially Copenhagen, St Croix and Sydney, can be considered hotspots of tributyltin as well as a number of metals.

    AB - The Galathea 3 expedition circumnavigated the globe in 2006-2007 and collected marine samples from six continents. Bivalves were collected from harbours, other impacted locations and reference sites, and samples from 57 sites were analyzed for metals and 47 for organotins, to assess current contamination levels on a global scale. Metal concentrations in nine bivalve species were normalised to the Mytilidae family using conversion factors based on cosampled species and literature bioconcentration factors. The lowest metal and tributyltin concentrations were below background assessment concentrations (BACs) agreed in the Oslo-Paris convention (OSPAR) for the North Sea, and at most harbours the concentrations were orders of magnitude above BACs. The lowest concentrations of Cd and Pb measured here suggest that the BACs should be lower in a worldwide context. The sources of metals were classified according to human impact using principal component analysis. High relative concentrations of Hg, Pb and P were source indicators for industrial activity and land use; Zn, organotins, Cd and Cu for shipping activities, and V for oil spills. Generally the concentration levels at reference sites were low, but not always lower than expected impacted areas. The most contaminated areas were harbours, where especially Copenhagen, St Croix and Sydney, can be considered hotspots of tributyltin as well as a number of metals.

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