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Damien Nzabanita¹, Hao Shen¹, Stephen Grist¹

¹School of Science, Royal Melbourne Institute of Technology, Melbourne, Victoria, Australia.

Environmental toxicology and chemistry

|December 12, 2023

概括

像PCB,OCP和PAH这样的持久有机污染物 (POP) 用澳大利亚灰色绿色测量. 暴露水平一般较低,最常检测到的是多环芳 (PAHs).

科学领域:

环境毒理学环境毒理学
生态毒理学生态毒理学
野生动物暴露评估野生动物暴露评估.

背景情况:

全球越来越关注持久性有机污染物及其对野生动物的影响.
需要评估南半球水生物种对POPs的暴露.
灰色青 (Anas gracilis) 是澳大利亚各地代表的游牧水鸟.

研究的目的:

量化澳大利亚灰色茶色中POPs的暴露水平.
调查不同组的POP:多二 (PCB),有机农药 (OCP) 和多环芳 (PAH).
分析潜在的地理变化和POPs的来源.

主要方法:

在澳大利亚维多利亚州 (2021) 的休猎人收获的39种灰色青树收集的翅.
分析了9种PCB同源,13种OCP和12种PAH.
使用气体染色学-质谱仪来检测和量化POPs.

主要成果:

在13%,72%和100%的鸟类中分别检测到PCB,OCP和PAH.
暴露量最高的是PAH子[b]甲 (1.78161.05 ng/g湿重).
与内陆地区相比,在沿海地区观察到更高的PAH水平;在PAH中检测到强烈的关联.

结论:

澳大利亚的水鸟,特别是灰,暴露于各种POPs.
目前的暴露水平相对较低,但监测至关重要.
需要进一步的研究来充分描述澳大利亚水鸟中的POP及其来源,包括工业,农业和与火灾有关的影响.

关键词:

对鸟类的毒性对鸟类的毒性环境污染环境污染湿地湿地湿地野生动物毒理学

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