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探索不同南极岛屿的大藻中稀土元素和微量金属的含量

Maria da Graça Landim Bravo¹, Lea Spitzer², Amandine Adrien²

¹Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les Matériaux, 64 000 Pau, France; University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Pharmaceutical Sciences, Ribeirao Preto, Brazil.

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概括

南极藻类积累稀土元素 (REEs) 和微量金属. 度因物种和位置而异,欺骗岛的度更高,有助于生物监测工作.

科学领域:

环境科学环境科学
海洋生物学海洋生物学
分析化学分析化学

背景情况:

南极洲的生态系统容易受到人类活动造成的污染,包括金属污染物.
大藻类是有效的生物指标,因为它们能够吸收环境化合物.
关于南极海洋生物中的稀土元素 (REEs) 和微量金属的数据有限.

研究的目的:

为了确定33种金属的度,包括REEs和微量元素,在三种南极大藻类中.
评估藻类物种和收集地点对金属积累的影响.
为促进南极地区研究较少的REEs的生物监测做出贡献.

主要方法:

这里收集了三种宏观藻类物种:Desmarestia anceps,Palmaria decipiens和Phaeurus antarcticus.
使用感应合等离子体质谱法 (ICP-MS) 分析金属度.
对不同物种和收集地点的金属含量进行比较,包括欺骗岛.

主要成果:

发现微量金属和REE度取决于物种和地点.
帕尔马里亚·迪西皮恩斯 (Palmaria decipiens) 显示出最高的可再生能源积累能力.
在Desmarestia anceps和Palmaria decipiens中,有较高的微量金属含量,特别是铁 (Fe).
与其他地点相比,欺骗岛的平均总REE和微量金属度较高.

结论:

南极大藻类可以积累大量的废弃物和微量金属.
物种和位置是影响金属生物积累的关键因素.
这些发现支持使用南极藻类在这种偏远环境中对金属,特别是REEs进行生物监测.

关键词:

在南极洲,南极洲是南极洲.德斯马雷斯蒂亚开始了.帕尔马里亚的决定性.在南极洲,它被认为是Phaeurus antarcticus.稀土元素稀土元素稀土元素微量金属微量金属微量金属

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