Table 3.
Trace elements in mussels from an experimental pilot farm of the Calich Lagoon (mg kg−1 w.w., 30 mussels/month).
| Trace element | February 2019 | May 2019 | Differences from ANOVA and Tukey test | EU reference limits | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean* | SD** | Min*** | Max**** | Mean | SD | Min | Max | |||
| Ag | BQL***** | BQL | BQL | BQL | BQL | BQL | BQL | BQL | - | - |
| Al | 341.342 | 192.228 | 143.880 | 527.869 | 96.009 | 23.177 | 69.787 | 113.755 | n.s.****** | - |
| As | 1.414 | 0.250 | 1.216 | 1.695 | 1.050 | 0.230 | 0.836 | 1.293 | n.s. | - |
| Be | BQL | BQL | BQL | BQL | BQL | BQL | BQL | BQL | - | - |
| Bi | BQL | BQL | BQL | BQL | BQL | BQL | BQL | BQL | - | - |
| Cd | 0.076 | 0.006 | 0.069 | 0.081 | 0.037 | 0.011 | 0.027 | 0.049 | p<0.01 | 1.0 |
| Co | 0.084 | 0.011 | 0.072 | 0.091 | 0.038 | 0.015 | 0.026 | 0.054 | p<0.05 | - |
| Cr | 0.262 | 0.123 | 0.119 | 0.333 | 0.115 | 0.021 | 0.092 | 0.130 | n.s. | - |
| Cu | 2.320 | 0.965 | 1.754 | 3.434 | 3.084 | 2.934 | 1.127 | 6.458 | n.s. | - |
| Fe | 212.034 | 75.650 | 132.741 | 283.420 | 96.565 | 13.423 | 81.294 | 106.494 | n.s. | - |
| Ga | 0.062 | 0.034 | 0.027 | 0.095 | 0.015 | 0.004 | 0.011 | 0.019 | n.s. | - |
| Hg | 0.013 | 0.002 | 0.011 | 0.014 | BQL | BQL | BQL | BQL | - | 0.5 |
| In | BQL | BQL | BQL | BQL | BQL | BQL | BQL | BQL | - | - |
| Mg | 1150.789 | 263.475 | 848.060 | 1328.336 | 1038.138 | 95.767 | 952.257 | 1141.408 | n.s. | - |
| Mn | 3.476 | 0.656 | 2.757 | 4.041 | 2.312 | 0.802 | 1.529 | 3.133 | n.s. | - |
| Mo | 0.275 | 0.029 | 0.245 | 0.304 | 0.073 | 0.025 | 0.057 | 0.101 | p<0.001 | - |
| Ni | 0.317 | 0.077 | 0.227 | 0.363 | 0.114 | 0.031 | 0.087 | 0.148 | p<0.05 | - |
| Pb | 0.138 | 0.046 | 0.085 | 0.169 | 0.046 | 0.015 | 0.032 | 0.061 | p<0.05 | 1.5 |
| Rb | 0.786 | 0.210 | 0.560 | 0.976 | 0.988 | 0.558 | 0.655 | 1.632 | n.s. | - |
| Se | 16.149 | 0.538 | 15.786 | 16.767 | 8.444 | 12.367 | 0.982 | 22.719 | n.s. | - |
| Sn | 0.134 | 0.061 | 0.069 | 0.190 | 0.059 | 0.003 | 0.056 | 0.063 | n.s. | - |
| Tl | BQL | BQL | BQL | BQL | BQL | BQL | BQL | BQL | - | - |
| V | 0.573 | 0.095 | 0.480 | 0.670 | 0.151 | 0.012 | 0.137 | 0.161 | p<0.01 | - |
| Zn | 24.207 | 3.563 | 22.130 | 28.321 | 21.687 | 7.298 | 17.437 | 30.113 | n.s. | - |
*Mean of three distinct measurements
**SD= Standard deviation
***Min= Minimum value
****Max=Maximum value
*****BQL = below method quantitation limit (LOQ) of 0.010 mg kg−1
******n.s.= not significant