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Rising temperatures decrease rare earth element bioavailability and ecological risk in coastal sediments
DOI:10.1007/s10311-025-01864-1.png)
摘要
En 中文
稀土元素是日益引起健康关注的沉积污染物,但全球变暖对其生物利用度和毒性的影响尚不清楚。为测试这一点,我们应用薄膜扩散梯度技术评估了温度在0至40 °C范围内沉积物中15种稀土元素(包括镧系元素和钇)的生物利用度。我们使用物种敏感度分布–概率风险评价–包含–排除原则对水生生物的生态毒理学风险进行了建模。结果表明,随着温度从0升至40 °C,所有稀土元素的生物利用度降低了40%至70%,表明其迁移性降低且沉积物吸附增强。类似地,计算得出的生态毒理学风险从1.75%降至0.08%。这是首次证实温度驱动的稀土元素沉积物风险衰减,表明全球变暖应会降低某些稀土元素的毒性。
Keyword:
Rare earth elements
Bioavailability
Ecotoxicological risk
Temperature effects
Diffusive gradients in thin films
Coastal sediments
期刊
IF:
20.4
论文数:
2.0K
被引数:
2.1W
机构
引用论文
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IF4.3
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IF0
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