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息地使用如何影响野生动物中的PFAS污染? 结合稳定同位素和GPS跟踪在三个海物种

David Rozen-Rechels¹, Prescillia Lemesle², William Jouanneau³

¹Sorbonne Université, Université Paris Cité, Univ Paris Est Créteil, CNRS, IRD, INRAE, Institut d'écologie et des Sciences de l'environnement de Paris, IEES Paris, F-75005, Paris, France; Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS - La Rochelle Université, Villiers-en-Bois, 79360, France.

Environmental pollution (Barking, Essex : 1987)

|December 19, 2025

概括

在海鸟中,和多基物质 (PFAS) 的暴露因物种和性别而异. 沿海息地可能有助于PFCA污染,影响海暴露不同基于物种和性别.

科学领域:

环境科学环境科学
生态毒理学生态毒理学
野生动物生物学野生动物生物学

背景情况:

和多基基物质 (PFAS) 是持久的环境污染物.
在像海鸟这样的顶级捕食者身上,PFAS生物放大,以饮食为主要暴露途径.
息地使用可能会影响PFAS暴露,潜在地掩盖与热带相关的差异.

研究的目的:

调查食息地和食物位置对三种相似的海物种PFAS暴露的综合影响.
确定息地使用或热带位置是否是鱼PFAS污染的较强驱动因素.
探索与环境因素相关的PFAS暴露的特定物种和性别的变化.

主要方法:

收集了法国雷岛三种海 (大黑背,小黑背和大黑背) 的血样本.
利用GPS跟踪和稳定同位素分析 (δ13C, δ34S, δ15N) 来定义食息地和食物的位置.
各种PFAS的量化血度,包括长链 perfluoroalkyl carboxylic 酸 (PFCAs).

主要成果:

鱼海显示了长链PFCAs和高的海洋资源之间的正相关性.
较小的黑背在PFAS和稳定同位素之间表现出化合物和性别依赖的关系,没有明确的息地关联.
大黑背海在PFAS水平和稳定同位素值之间没有显著的关联.

结论:

沿海息地可能是海PFCA污染的重要来源.
息地使用对鱼PFAS暴露的影响是特定于物种,性别和化合物的.
了解这些复杂的相互作用对于评估海鸟健康和环境风险至关重要.

关键词:

大西洋大西洋大西洋大西洋大西洋大西洋大西洋生物测试是一种生物测试.污染物污染物是一种污染物.运动生态学运动生态学海鸟是一种海鸟.热带生态学热带生态学

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