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The objective of this study was to investigate the effects of exposured $Cu^{2+}$ on growth and bioaccumulation of abalone Haliotis discus hannai. Abalone were exposed to various concentration of $Cu^{2+}$ (0, 5, 10, 20, $40{\mu}g/L$). Bioaccumulation of tissues, hepatopancreas, muscles and gills were measured. hepatopancreas and gills $Cu^{2+}$ concentration of abalone increases to extent during the 4 weeks accumulation time. But muscles showed no significant changes, with respect to control. These data indicate that abalone Haliotis discus hannai hepatopancreas and gills can be considered adequate target tissues for waterborne exposured of $Cu^{2+}$. Weight growth rate of abalone exposed to $Cu^{2+}$ was significantly decreased in 20 and $40{\mu}g/L$ groups compared to control. This study revealed that high $Cu^{2+}$ concentration (${\geq}20{\mu}g/{\ell}$) reduced growth of abalone. These data indicate that excessive waterborne $Cu^{2+}$ can affect the toxicity of xenbiotics to abalone through alterations in growth rate. Thus, environmental standard of $Cu^{2+}$ $20{\mu}g/L$, should be considered a potential source of variation in toxicological studies with abalone.
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참고문헌 (32)
참고문헌 신청
APHA-AWWA-WEF / 1992 / Standard methods for the examination of water and wastewater. 18th. Ed / APHA
Ballan C., Dufrancais / 2001 / Cellular and tissular distribution of copper in an intrasedimentary bivalve, the Baltic clam Macoma balthica, originating from a clean or a metal-rich site / Can. J. Fish. Aquat. Sci 58:1964~1974
Bryan, G. W. / 1976 / Heavy metal contamination in the sea, In Marine Pollution / Academic Press :185~302
Cropton T. R. / 1997 / Toxicants in the Aqueous Ecosystem / John & Sons Ltd
Davis, K.G. / 1987 / Copper, In Trace Elements in Human and Animals Nutrition / Academic Press :301~364
Ballan C., Dufrancais / 2001 / Cellular and tissular distribution of copper in an intrasedimentary bivalve, the Baltic clam Macoma balthica, originating from a clean or a metal-rich site / Can. J. Fish. Aquat. Sci 58:1964~1974
Bryan, G. W. / 1976 / Heavy metal contamination in the sea, In Marine Pollution / Academic Press :185~302
Cropton T. R. / 1997 / Toxicants in the Aqueous Ecosystem / John & Sons Ltd
Davis, K.G. / 1987 / Copper, In Trace Elements in Human and Animals Nutrition / Academic Press :301~364
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