Table 1.
Concentrations of rice methylmercury and fish/shellfish total mercury (see Table A2).
| N | Average ± SD (ng/g) | Median (Range) (ng/g) | References | |
|---|---|---|---|---|
| Rice | 398 | 2.7 ± 2.1 | 2.2 (0.32–15) | This study |
| Freshwater fish | 13 | 31 ± 31 | 23 (2, 98) | This study |
| Marine fisha | 1164 | 56 ± 30 | 32 (0, 760) | Chen et al. (2013), Gao et al. (2014), Geng et al. (2015), Liu et al. (2014a, 2014b), Pan et al. (2014), and Wu et al. (2016) |
| Eela | 21 | 50 ± 10 | NA | Yamashita et al. (2006) |
| Shrimpa | 10 | 10 | NA | Tong et al. (2015) |
| Craba | 10 | 74 | NA | Tong et al. (2015) |
| Snailsa | 10 | 31 | NA | Tong et al. (2015) |
| Other shellfisha | 755 | 68 ± 110 | 24 (7, 450) | Li and Gao (2014), Li et al. (2013), and Zhang and Zhang (2015) |
a
For marine fish and other shellfish, sampling statistics (average, SD and median) were weighted based on sample size. The average ± SD was provided for eel, while the SD was not provided for shrimp, crab, and snails.