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Bone mineral density in Swedish otters (Lutra lutra) in relation to PCB and DDE concentrations
Swedish Museum of Natural History, Department of.
National Environment Research Institute, University of Aarhus, 4000 Roskilde, Denmark.
Department of Environmental Toxicology, Uppsala University, SE-75236 Uppsala, Sweden.
2010 (English)In: Ecotoxicology and Environmental Safety, ISSN 0147-6513, E-ISSN 1090-2414, Vol. 73, 1063-1070 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study is to elucidate if DDE (dichlorodiphenyldichloroethylene) or PCB(polybrominated biphenyls), are responsible for the pathological alterations observed in Swedish otter bone tissues. Femurs from 86 male otters collected between 1832 and 2004 were measured using peripheral quantitative computed tomography(pQCT). Some otters had very high and others fairly low concentrations of OCs (ranging between 1.4–970 mg sPCB/kg l.w. and 0.0–24 mg DDE/kg l.w.in muscle tissue). Positive relationships were found between three of the four cortical bone variables analysed (area, content and thickness) and sPCB concentration, while no significant relationships with DDE concentration were found. None of the trabecular variables were significantly related to PCB or DDE concentration. Three of the four trabecular bone variables showed decreasing values in the beginning and increasing values at the end of period 1974–2004. No temporal trends were found for cortical bone variables. OC concentrations decreased between 1974 and 2004.

Place, publisher, year, edition, pages
2010. Vol. 73, 1063-1070 p.
National Category
Medical and Health Sciences
Research subject
Man and the environment
Identifiers
URN: urn:nbn:se:nrm:diva-1261DOI: 10.1016/j.ecoenv.2010.02.008OAI: oai:DiVA.org:nrm-1261DiVA: diva2:844450
Available from: 2015-08-06 Created: 2015-08-06 Last updated: 2015-08-06Bibliographically approved

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Roos, Anna

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