Current trends and patterns of PFAS in agroecosystems and environment: A review

IF 2.2 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Jackson C. Verley, Everald McLennon, Kathleen S. Rein, Johane Dikgang, Vanaja Kankarla
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Abstract

Per‐ and polyfluoroalkyl substances (PFASs) are one of the more well‐known highly persistent organic pollutants with potential risks to agroecological systems. These compounds are of global concern due to their persistence and mobility, and they often lead to serious impacts on environmental, agricultural, and human health. In the past 20 years, the number of science publications on PFAS has risen; despite this, certain fundamental questions about PFAS occurrence, sources, mechanism of transport, and impacts on agroecosystems and the societies dependent on them are still open and evolving. There is a lack of systematic and comprehensive analysis of these concerns in agroecosystems. Therefore, we reviewed the current literature on PFAS with a focus on agroecosystems; our review suggests that PFASs are nearly ubiquitous in agricultural systems. We found the current research has limitations in analyzing PFAS in complex matrices because of their small size, distribution, and persistence within various environmental systems. There is consistency in the properties and composition of PFAS in and around agroecosystems, suggesting evidence of shared sources and similar components within different tropic levels. The introduction of new and varied sources of PFAS appear to be growing, adding to their residual accumulation in environmental matrices and leading to possible new types of chemical compounds that are difficult to assess accurately. This review determines existing research trends, understands mechanisms and incidence of PFAS within agroecosystems and their impact on human health, and thereby recommends further studies to remedy research gaps.
农业生态系统和环境中全氟辛烷磺酸的当前趋势和模式:综述
全氟和多氟烷基物质(PFASs)是众所周知的对农业生态系统具有潜在风险的高持久性有机污染物之一。这些化合物因其持久性和流动性而备受全球关注,往往会对环境、农业和人类健康造成严重影响。在过去的 20 年中,有关全氟辛烷磺酸的科学出版物数量不断增加;尽管如此,有关全氟辛烷磺酸的发生、来源、迁移机制以及对农业生态系统和依赖农业生态系统的社会的影响的某些基本问题仍未解决,并且仍在不断发展。目前还缺乏对农业生态系统中这些问题的系统而全面的分析。因此,我们回顾了当前有关 PFAS 的文献,重点关注农业生态系统;我们的回顾表明,PFAS 在农业系统中几乎无处不在。我们发现,目前的研究在分析复杂基质中的 PFAS 方面存在局限性,因为它们的体积小、分布广,而且在各种环境系统中具有持久性。农业生态系统及其周围的全氟辛烷磺酸的特性和成分具有一致性,这表明在不同的热带地区存在共同的来源和相似的成分。全氟辛烷磺酸各种新来源的引入似乎越来越多,增加了其在环境基质中的残留积累,并可能导致难以准确评估的新型化合物。本综述确定了现有的研究趋势,了解了农业生态系统中全氟辛烷磺酸的作用机制和发生率及其对人类健康的影响,从而提出了进一步研究的建议,以弥补研究空白。
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来源期刊
Journal of environmental quality
Journal of environmental quality 环境科学-环境科学
CiteScore
4.90
自引率
8.30%
发文量
123
审稿时长
3 months
期刊介绍: Articles in JEQ cover various aspects of anthropogenic impacts on the environment, including agricultural, terrestrial, atmospheric, and aquatic systems, with emphasis on the understanding of underlying processes. To be acceptable for consideration in JEQ, a manuscript must make a significant contribution to the advancement of knowledge or toward a better understanding of existing concepts. The study should define principles of broad applicability, be related to problems over a sizable geographic area, or be of potential interest to a representative number of scientists. Emphasis is given to the understanding of underlying processes rather than to monitoring. Contributions are accepted from all disciplines for consideration by the editorial board. Manuscripts may be volunteered, invited, or coordinated as a special section or symposium.
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