In this study we test the sensitivity of three sizes of golden mussel (Limnoperna fortunei), an introduced species in Argentina, to a 96-h exposure to \(\hbox {Cd}^{2+}\), \(\hbox {Cr}^{6+}\), and \(\hbox {Ni}^{2+}\). We also analysed the relative sensitivity of L. fortunei compared to other freshwater bivalve equivalent sensitivity data. The ANOVA results showed that both factors, heavy metal and size, had significant effects (p = 0.0013 and p = 0.0091, respectively) on the mortality of the golden mussel. Tukey’s test showed significant differences for \(\hbox {Cr}^{6+}\) treatment and the smallest size class (7 mm \(\pm 1\)). The relative sensitivity analysis showed that \(\hbox {LC}_{{50}}\) values for the smallest size class of L. fortunei exposed to \(\hbox {Ni}^{2+}\) and \(\hbox {Cd}^{2+}\) were in the low range, with values of 11.40 mg/L and 12.65 mg/L, respectively. In the case of \(\hbox {Cr}^{6+}\) (1.66 mg/L), its \(\hbox {LC}_{{50}}\) was in the medium-low range of the freshwater bivalve sensitivity distribution.

中文翻译：

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[配方：参见正文]，[配方：参见正文]和[配方：参见正文]对金贻贝Limnoperna fortunei（Dunker 1857）的急性毒性。

在这项研究中，我们测试了三种大小的贻贝（Limnoperna fortunei，阿根廷引进种）对\（\ hbox {Cd} ^ {2 +} \），\（\ hbox {Cr} ^ {6 +} \）和\（\ hbox {Ni} ^ {2 +} \）。我们还分析了与其他淡水双壳类当量敏感性数据相比，福氏乳杆菌的相对敏感性。方差分析结果表明，重金属和尺寸这两个因素对金贻贝的死亡率均具有显着影响（分别为p = 0.0013和p = 0.0091）。Tukey的测试显示\（\ hbox {Cr} ^ {6 +} \）处理和最小尺寸类别（7 mm\（\ pm 1 \））。表明，相对灵敏度分析\（\ hbox中{LC} _ {{50}} \）的最小尺寸类的值L.柳杉暴露于\（\ hbox中{镍} ^ {2 +} \）和\（ \ hbox {Cd} ^ {2 +} \）处于较低范围，分别为11.40 mg / L和12.65 mg / L。对于\（\ hbox {Cr} ^ {6 +} \）（1.66 mg / L），其\（\ hbox {LC} _ {{50}} \）在淡水双壳类灵敏性分布。