NDLI: Mercury distribution in key tissues of fish (Liza aurata) inhabiting a contaminated estuary-implications for human and ecosystem health risk assessment.

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Mercury distribution in key tissues of fish (Liza aurata) inhabiting a contaminated estuary-implications for human and ecosystem health risk assessment.

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Mercury distribution in key tissues of fish (Liza aurata) inhabiting a contaminated estuary-implications for human and ecosystem health risk assessment.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Mieiro, Cláudia Leopoldina Pacheco, Mário Pereira, Maria Eduarda Duarte, Armando Costa
Description	Country affiliation: Portugal Author Affiliation: Mieiro CL ( CESAM and Departamento de Química, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal. cmieiro@ua.pt)
Abstract	This study brings a new viewpoint based on multiple-tissue analyses to form the basis for a predictive mode of mercury accumulation dynamics in fish body under field conditions. Total mercury (T-Hg) was determined in key tissues of Liza aurata captured along an estuarine contamination gradient, displaying the following hierarchy: kidney > liver > muscle > brain > gills > blood. Brain was the tissue that better reflected the mercury contamination extent, closely followed by liver and muscle. Organic mercury (O-Hg) measured in muscle and liver represented more than 85% and less than 30% of the T-Hg, respectively. The lowest O-Hg percentage was found in the most contaminated area, for both muscle and liver. Mercury distribution and accumulation patterns showed dependence on the specific tissue. The high mercury levels found in organs involved in vital physiological processes point out the risk to autochthonous fish fauna. Human risk associated to the ingestion of fish living in the surveyed areas cannot be excluded.
File Format	HTM / HTML
ISSN	14640325
Issue Number	5
Volume Number	11
e-ISSN	14640333
Journal	Journal of Environmental Monitoring
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2009-05-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Environmental Health Ecosystem Fishes Metabolism Mercury Pharmacokinetics Water Pollutants, Chemical Animals Environmental Exposure Humans Toxicity Risk Assessment Tissue Distribution Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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