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KMID : 0893320060210030267
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Journal of Environmental Toxicology
2006 Volume.21 No. 3 p.267 ~ p.273
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Concentrations of Essential Metals in Tissues of Oiled Loons
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Kim Sang-Jin
Lee Jong-Nam
Lee Doo-Pyo
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Abstract
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Concentrations of four essential metals (Fe, Cu, Mn and Zn) were determined in apparently oil-polluted dead or near-dead three loon species collected in the Busan coast, Korea. Fe, Cu, Mn and Zn concentrations were generally high in liver, and also, Mn and Zn were high in bone. There were significant differences in some tissue concentrations of Fe, Cu, Mn and Zn among three species, but did not show any consistent evidence of species-specific accumulation. Mean concentration of Fe was 11,6354010 g/g, Cu 64.330.7 g/g, Mn 13.12.32 g/g, and Zn 12124.8 g/g in liver of all three species examined. Mn and Zn levels in this study were similar to those of normal loons and other seabirds reported from different countries. However, Fe and Cu liver levels were extraordinarily higher than those of reported. This result suggests that unusual accumulations of essential metals such as Fe and Cu may partially arise from long-term starvation due to oil pollution.
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KEYWORD
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seabirds, essential metals, oil pollution, heavy metals
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