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稀土元素的物种敏感度分布:一个完整的概述

Luisa Albarano¹, Marco Guida², Franca Tommasi³

¹Department of Biology, University of Naples Federico II, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy.

The Science of the total environment

|December 21, 2024

概括

稀土元素 (REEs) 对技术至关重要,但对环境构成风险. 一项新的研究使用物种敏感度分布来评估REE生态毒性,发现关节动物和皮动物最敏感,而脊椎动物更耐受.

科学领域:

环境科学环境科学
生态毒理学生态毒理学
环境化学环境化学

背景情况:

稀土元素 (REEs) 对现代技术至关重要.
由于广泛的工业,农业和医疗应用,REEs越来越多地被认为是环境污染物.
了解REE生态毒性对于环境风险评估和管理至关重要.

研究的目的:

首次将物种灵敏度分布 (SSD) 方法应用于稀土元素 (REEs).
为了比较不同水生物种对各种可再生能源的敏感性.
为了推导出可再生能源的危险度 (HC),以告知环境安全门.

主要方法:

对58篇关于REE毒性的论文进行了全面的文献审查.
使用了物种灵敏度分布 (SSD) 方法.
使用逻辑逻辑模型构建SSD曲线来确定危险度 (HC5和HC50).

主要成果:

关节动物 (例如,大夫尼亚大) 和皮动物 (例如,Sphaerechinus granularis) 对某些REE (Ce,Er,Lu) 显示出高度敏感.
脊椎动物,如Oncorhynchus mykiss,对REE暴露表现出更大的耐受性.
建立了基于HC5值的危险优先级清单,Dy和Ce在低度时构成最高风险.

结论:

在REE生态毒性数据中存在重大差距,特别是在重型REE (HREEs) 中.
需要进一步研究REE对健康的长期影响.
确定安全暴露门对于减轻REE污染和保护生态系统和人类健康至关重要.

关键词:

危险评估危险评估危险评估稀土元素稀土元素稀土元素种类灵敏度分布 (SSD) 种类灵敏度分布有毒性有毒性

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