加多:关于海洋和沿海系统中的度和影响的综述
Inês Moreira1, Eduarda Pereira2, Amadeu Soares1
1Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal.
Environmental pollution (Barking, Essex : 1987)
|May 15, 2025
概括
加多 (Gd) 污染在海洋环境中正在增加,影响了像双动物和皮动物这样的关键无脊椎动物物种. 这次回顾强调了Gd的重点.
科学领域:
- 环境科学 环境科学
- 海洋生态毒理学 海洋生态毒理学
- 污染物的生物地质化学
背景情况:
- 人类产生的加多 (Gd) 在全球海洋和沿海生态系统中越来越多地被检测到.
- 医学成像对比剂是人为Gd释放的主要来源.
- 了解Gd的环境命运和生态毒理影响对于海洋健康至关重要.
研究的目的:
- 综合当前关于海洋和沿海环境中加多污染的科学知识.
- 具体分析Gd对关键海洋无脊椎动物哨兵物种的生态毒理学影响.
- 确定研究缺口,并为未来的环境管理策略提供信息.
主要方法:
- 对209篇关于海洋环境中的Gd的出版物的系统文献综述.
- 详细分析了83项专注于海洋无脊椎动物的研究.
- 从实验室暴露实验中检查Gd度和生态毒理效应.
主要成果:
- 在海洋和沿海生态系统中的Gd度在0.00002516至1176.77微克/升之间.
- 实验室研究表明,Gd暴露会诱导软体动物和皮动物的氧化应激,代谢和生殖毒性.
- 双动物 (例如,Mytilus galloprovincialis) 显示出高的生物积累,而皮动物表现出发育异常.
结论:
- 海洋无脊椎动物,特别是双动物和皮动物,是Gd污染的敏感指标.
- 暴露于Gd对海洋无脊椎动物健康构成重大风险,包括发育和生殖能力受损.
- 迫切需要加强废水处理,制定更严格的法规,并进一步研究Gd的长期影响.
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