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Temporal change of fish Hg compared with Hg emission in China from 1980 to 2014. (A) The weighted averages of total Hg levels in fish samples (mg/kg; ww) in China (as the fish sampling time in some original documents is multi-year data, the data were summarized with every 5 yrs as a time span); (B) Anthropogenic Hg emission in China (data were originated from Wu et al., 2016 [6]) .
