Journal
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
Volume 59, Issue -, Pages 119-124Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.etap.2018.03.002
Keywords
Heavy metals; Marine organisms; Non-metric multidimensional scaling; Health risk; The Beibu Gulf; South China Sea
Funding
- Science and Technology Program of Guangzhou, China [201707010368]
- Central Public-interest Scientific Institution Basal Research Fund
- South China Sea Fisheries Research Institute, CAFS [2016TS13]
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We investigated heavy metal concentrations in wild marine organisms from Maowei Sea, a significant gulf of low-latitude developing regions of the Beibu Gulf, South China Sea. Twenty species, comprising fish, cephalopods, and crustaceans were collected and analyzed for heavy metals. Heavy metal levels (mg/kg, wet weight) in the aquatic organism samples were: 0.003-1.800 for Cd, 0.02-0.14 for Pb, 0.10-0.63 for Cr, 0.20-77.50 for Cu, 9.50-64.60 for Zn, 0.006-0.066 for Hg, and 0.10-1.50 for As. Non -metric multidimensional scaling coupled with cluster analysis revealed two groupings that mainly resulted from different species of the metals in marine organisms. The highest concentrations of Cd, Pb, Cr, Ni, Cu, Zn, Hg, and As were found in species of cephalopods. Health risk assessment based on the target hazard quotients (THQ) and total THQ indicated no significant adverse health effects from consumption of marine organisms.
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