Toxaphene in amphipods and zooplankton from the Arctic Ocean
Identifieur interne : 001391 ( Main/Exploration ); précédent : 001390; suivant : 001392Toxaphene in amphipods and zooplankton from the Arctic Ocean
Auteurs : B. T. Hargrave [Canada] ; Derek Muir [Canada] ; T. F. Bidleman [Canada]Source :
- Chemosphere [ 0045-6535 ] ; 1993.
Abstract
Lysianassid amphipods (Eurythenes gryllus) trapped at abyssal depths in the Arctic Ocean over the Alpha Ridge contained higher concentrations of toxaphene (polychlorinated camphenes, PCCs) (mean ± S.D. = 2300 ± 960 ng g−1 wet weight, 16500 ± 7900 ng g−1 lipid) than smaller species (Anonyx, Tmetonyx, Onisimus) (143 ± 135 ng g−1 wet weight, 1730 ± 1240 ng g−1 lipid) captured on the continental shelf adjacent to Axel Heiburg and Ellef Ringnes Islands. Zooplankton collected over the shelf contained PCC concentrations more than an order-of-magnitude lower than amphipods (3.6 ± 2.0 ng g−1 wet weight, 67 ± 45 ng g−1 lipid). Heavier PCCs containing eight and nine chlorines were selectively accumulated by both amphipods and zooplankton. The data are combined with previously published observations to construct a hypothetical food web and to calculate bio-magnification factors for PCCs between probably predator-prey links.
Url:
DOI: 10.1016/0045-6535(93)90390-Q
Affiliations:
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T." last="Hargrave">B. T. Hargrave</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Habitat Ecology Division, Biological Sciences Branch, Department of Fisheries and Oceans, Bedford Institute of Oceanography, Dartmouth, Nova Scotia, B2Y 4A2</wicri:regionArea><wicri:noRegion>B2Y 4A2</wicri:noRegion></affiliation></author><author><name sortKey="Muir, D C G" sort="Muir, D C G" uniqKey="Muir D" first="D. C. 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Zooplankton collected over the shelf contained PCC concentrations more than an order-of-magnitude lower than amphipods (3.6 ± 2.0 ng g−1 wet weight, 67 ± 45 ng g−1 lipid). Heavier PCCs containing eight and nine chlorines were selectively accumulated by both amphipods and zooplankton. The data are combined with previously published observations to construct a hypothetical food web and to calculate bio-magnification factors for PCCs between probably predator-prey links.</div></front></TEI><affiliations><list><country><li>Canada</li></country><region><li>Ontario</li></region><settlement><li>Burlington (Ontario)</li></settlement><orgName><li>Centre canadien des eaux intérieures</li></orgName></list><tree><country name="Canada"><noRegion><name sortKey="Hargrave, B T" sort="Hargrave, B T" uniqKey="Hargrave B" first="B. T." last="Hargrave">B. T. Hargrave</name></noRegion><name sortKey="Bidleman, T F" sort="Bidleman, T F" uniqKey="Bidleman T" first="T. F." last="Bidleman">T. F. Bidleman</name><name sortKey="Muir, D C G" sort="Muir, D C G" uniqKey="Muir D" first="D. C. G." last="Muir">Derek Muir</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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