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水生系统中的转化和生物影响:从沉积物-水界面到食物网的复杂性

Ming Ao¹, Rouyun Zhou², Ruichun Meng²

¹Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510006, China.

Ecotoxicology and environmental safety

|August 17, 2025

概括

在水生生态系统中的 (Cr) 污染是复杂的,因为其基本的 (Cr(III)) 和有毒的 (Cr(VI)) 形式. 这篇评论详细介绍了 Cr Cr 的细节.

科学领域:

环境科学环境科学
水生毒理学水生毒理学
生物地质化学生物地质化学

背景情况:

(Cr) 是一种双态污染物,是必需的Cr (III) 和有毒的Cr (VI),对水生生态系统构成重大风险.
每年大约有1.3×10^6的碳从自然和工业来源进入水生系统.
了解Cr的环境行为和生物影响对于水生生态系统的健康至关重要.

研究的目的:

系统地审查水生环境中的物种化,转化,生物积累和毒性机制.
分析多界面过程对Cr的环境命运的影响.
识别有关犯罪风险评估的知识缺口和未来的研究重点.

主要方法:

系统性文献审查,重点关注多界面流程.
在水沉积物界面 (pH,Eh,Mn氧化物,有机物) 调节 Cr 动态平衡的因素分析.
检查各种水生生物中不同的Cr吸收途径和细胞内Cr转化.

主要成果:

化和转化受水沉积物界面动态的影响,影响生物可用性.
) 显示较高的膜透性,并通过ROS生产诱导毒性,导致细胞损伤.
(III) 具有双重作用 (代谢调节与神经毒性),使风险评估复杂化;食物网转移显示复杂的模式.

结论:

在水生生态系统中,Cr的环境行为和生物命运是复杂的,受物种化和生物特异性吸收的影响.
关于Cr生物积累机制和食物网转移动态,存在重大知识差距.
需要进一步的研究来完善水生环境中的Cr风险评估和管理策略.

关键词:

水生生物水生生物.生物积累生物积累生物积累 (Chromium) 是一种含的物质.控制因素控制因素生理效应是生理效应的影响.沉积物与水的接口

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