Biomarkers and heavy metal bioaccumulation in mussels transplanted to coastal waters of the Beagle Channel

GIARRATANO, ERICA; DUARTE, CLAUDIA; AMIN, OSCAR

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY

ACADEMIC PRESS INC ELSEVIER SCIENCE

Año: 2010 vol. 73 p. 270 - 279

0147-6513

Mussels coming from a mussel farm at Brown Bay (BeagleChannel) were transplanted to four sites inside Ushuaia Bay for 2 and 4 weeks.The objective of this study was to assess the quality of coastal waters of Ushuaia Bay by measuring catalase   actitivity,lipidperoxidation,totallipidcontent, bioaccumulation of heavy metals and condition index in transplanted mussel Mytilus edulis chilensis. Biomarkers except condition index showed significant differences among exposure times as well as among tissues. Digestive gland presented the highest catalase activity,malondialdehy deleveland total lipid content.Digestive gland also was them a intarget tissue of accumulation of iron and copper, while gill accumulated the highest levels of zinc.Aprincipal component analyzes with the wholeset of data allowed to separatest at ions based on physicochemical conditions and biochemical responses of each studied area. Mytilus edulis chilensis. Biomarkers except condition index showed significant differences among exposure times as well as among tissues. Digestive gland presented the highest catalase activity,malondialdehy deleveland total lipid content.Digestive gland also was them a intarget tissue of accumulation of iron and copper, while gill accumulated the highest levels of zinc.Aprincipal component analyzes with the wholeset of data allowed to separatest at ions based on physicochemical conditions and biochemical responses of each studied area.