Instituto de Investigacións Mariñas (IIM-CSIC), Eduardo Cabello 6, 36208 Vigo, Spain.
Instituto de Investigacións Mariñas (IIM-CSIC), Eduardo Cabello 6, 36208 Vigo, Spain.
Mar Pollut Bull. 2022 Mar;176:113463. doi: 10.1016/j.marpolbul.2022.113463. Epub 2022 Feb 24.
A number of trace elements (Mn, Fe, Co, Ni, Cu, Zn, As, Nb, Mo, Ag, Cd, Pb, U and the rare earth elements - REE) were analyzed in the dissolved phase, suspended particulate matter and in different organs (gills, hepatopancreas, and the rest of soft tissue) in mussels of the native Mytilus galloprovincialis and invasive Xenostrobus securis species in the Vigo Ria (NW Iberian Peninsula) in order to assess potential differences in their bioaccumulation patterns. Results obtained do not show significant differences in the bioaccumulation of trace elements by M. galloprovincialis and X. securis, except for Zn and Ag. In the case of Zn, a 4-fold enrichment in M. galloprovincialis compared to X. securis was found. The most important differences between species were observed for Ag, with approximately 40-fold higher concentrations in X. securis. Such elevated Ag bioaccumulation by X. securis can be useful for Ag biomonitoring using these invasive species in this area.
对本地贻贝 Mytilus galloprovincialis 和入侵贻贝 Xenostrobus securis 中的溶解相、悬浮颗粒物以及不同器官（鳃、肝胰腺和其余软组织）中的多种微量元素（Mn、Fe、Co、Ni、Cu、Zn、As、Nb、Mo、Ag、Cd、Pb、U 和稀土元素-REE）进行了分析，以评估它们在生物累积模式上的潜在差异。结果表明，本地贻贝和入侵贻贝在微量元素的生物累积方面没有明显差异，除了 Zn 和 Ag。对于 Zn，发现本地贻贝相对于入侵贻贝的富集程度高 4 倍。在 Ag 方面，两个物种之间观察到的差异最大，入侵贻贝中的 Ag 浓度大约高出 40 倍。在该地区使用这些入侵物种进行 Ag 生物监测时，入侵贻贝对 Ag 的这种高生物累积能力可能很有用。
