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九种稀土元素 (REEs) 对海洋鱼 (Tigriopus fulvus) 的潜在毒性

Francesca Biandolino¹, Ermelinda Prato¹, Asia Grattagliano²

¹National Research Council, Water Research Institute (IRSA-CNR), Via Roma, 3, 74123 Taranto, Italy.

Journal of xenobiotics

|December 27, 2024

概括

稀土元素 (REEs) 对海洋足动物Tigriopus fulvus具有显著的毒性,影响其生存和发育. 兰暴露特别有害,对脚动物种群构成风险.

科学领域:

海洋生物学海洋生物学
生态毒理学生态毒理学
环境科学环境科学

背景情况:

像Tigriopus fulvus这样的海洋足动物对海洋生态系统至关重要.
稀土元素 (REEs) 在海洋环境中越来越普遍.
了解REE毒性对于海洋生态系统健康至关重要.

研究的目的:

调查九种REEs对Tigriopus fulvus的不良影响.
评估REE诱导的死亡率,固定化和naupliar发展.
为了确定REEs对一个关键的海洋无脊椎动物的生态毒理影响.

主要方法:

对Tigriopus fulvus暴露于不同度的九种REEs.
评估死亡率和固定率.
监测naupliar发展阶段的情况.

主要成果:

所有测试的REEs都对T. fulvus.有显著的毒性.
对于REEs,LC50值在0.56至1.99mg/L之间.
观察到与度相关的死亡率和固定性增加.
暴露于REE显著减缓了naupliar的发展.

结论:

废旧废弃物对海洋足动物构成相当大的毒理威胁.
兰表现出特别高的毒性.
REE污染可能会对T. fulvus种群和海洋食物网产生负面影响.

关键词:

急性死亡率测试急性死亡率测试海洋足动物 (Copepod) 是一种海洋足动物.潜在的影响潜在影响潜在影响稀土元素 (REE) 是一种稀土元素.

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