As, Cr, Hg, Pb, and Cd Concentrations and Bioaccumulation in the Dugong <i>Dugong dugon</i> and Manatee <i>Trichechus manatus</i>: A Review of Body Burdens and Distribution.

Int J Environ Res Public Health · 2019 · PMC6388294 · PMID 30708981

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a decreasing trendno p-value reported

Despite this high value, lead concentration in bones from the same species from other coastal areas in southwestern Mexico showed a decreasing trend up to 10 times lower from 1999 to 2015 [ 19 , 76 , 77 ].

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