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Trace Elements in Marine Environments : Occurrence, Threats and Monitoring with Special Focus on the Costal Mediterranean

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Academic year: 2021

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Figure

Figure 1: Some essential and non-essential elements, abundant or in traces  (modified after Ref
Table 1: World production of 19 trace elements for the years 1990, 2000 and 2010, and percentage of increase since 1990 (data compiled from the Mineral Yearbooks  published on the US Geological Survey website, www.usgs.gov).
Table 2: Trace element guideline values (ppm) for drinking water, common sources of trace elements in drinking water and potential effects on human health
Figure 2: A generalized ecotoxicological pie chart depicting subcellular  compartments  based  on  the  biological  significance  of  the  various  subcellular  fractions in clams
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