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Li Zhiyuan, Guo Zhaofeng, Luo Yan, Liu Dong, Zhang Dong, Xu Yuyao, Xu Yaoyang. Data-driven Research on Global Distribution and Influencing Factors of Wetland Microplastics[J]. Asian journal of ecotoxicology, 2024, 19(2): 75-83. doi: 10.7524/AJE.1673-5897.20231121001
Citation: Li Zhiyuan, Guo Zhaofeng, Luo Yan, Liu Dong, Zhang Dong, Xu Yuyao, Xu Yaoyang. Data-driven Research on Global Distribution and Influencing Factors of Wetland Microplastics[J]. Asian journal of ecotoxicology, 2024, 19(2): 75-83. doi: 10.7524/AJE.1673-5897.20231121001
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Data-driven Research on Global Distribution and Influencing Factors of Wetland Microplastics

  • 1. Institute of Urban Environment, Chinese Academy of Sciences, Key Laboratory of Urban Environment and Health, Xiamen 361021, China;

  • 2. University of Chinese Academy of Sciences, Beijing 100049, China;

  • 3. Ningbo Research Institute of Ecological and Environmental Sciences, Ningbo 315012, China

  • Corresponding author: Xu Yaoyang, yyxu@iue.ac.cn
  • Received Date: 21/11/2023
    Fund Project:
  • Wetlands, recognized as crucial pollution barriers and essential buffer zones within aquatic ecosystems, have been accumulating microplastic pollution loads that not only undermine their own ecosystem structure and function, but also increase dissemination of waterborne diseases due to their unique ecological niche-plastisphere. Despite this, a comprehensive understanding of the global distribution patterns of microplastics in wetlands and the underlying mechanisms remains elusive. Here, we improved a meticulously constructed framework for data compilation, arrangement and statistical analysis, integrating 200 microplastic samples from 19 wetlands to characterize the distribution of microplastics in wetlands and identify their influencing factors. The results of multivariate statistical analysis revealed discernible effects of wetland types and environmental media on the distribution of microplastic abundance, with significantly higher levels observed in inland wetlands compared to coastal counterparts. The morphological characteristics of microplastics in wetland water and sediments exhibited notable similarities, with fibrous transparent microplastics identified as the predominant components. Additionally, microplastic analysis methods, including sampling and extraction methods, significantly influenced the occurrence of microplastics in wetland water and sediments. Furthermore, geographic distance emerged as a dominant factor influencing the distribution of microplastic abundance, showing a trend of decreasing abundance with increasing distance. Our data-driven framework, based in the distinctive characteristics of wetland microplastic data, serves as a methodological reference for understanding the occurrence and distribution of wetland microplastics and their pollution status, and provides essential data support for effective pollution control strategies in wetlands and other aquatic ecosystems.
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Data-driven Research on Global Distribution and Influencing Factors of Wetland Microplastics

  • Received Date: 21/11/2023
Fund Project:

Abstract: Wetlands, recognized as crucial pollution barriers and essential buffer zones within aquatic ecosystems, have been accumulating microplastic pollution loads that not only undermine their own ecosystem structure and function, but also increase dissemination of waterborne diseases due to their unique ecological niche-plastisphere. Despite this, a comprehensive understanding of the global distribution patterns of microplastics in wetlands and the underlying mechanisms remains elusive. Here, we improved a meticulously constructed framework for data compilation, arrangement and statistical analysis, integrating 200 microplastic samples from 19 wetlands to characterize the distribution of microplastics in wetlands and identify their influencing factors. The results of multivariate statistical analysis revealed discernible effects of wetland types and environmental media on the distribution of microplastic abundance, with significantly higher levels observed in inland wetlands compared to coastal counterparts. The morphological characteristics of microplastics in wetland water and sediments exhibited notable similarities, with fibrous transparent microplastics identified as the predominant components. Additionally, microplastic analysis methods, including sampling and extraction methods, significantly influenced the occurrence of microplastics in wetland water and sediments. Furthermore, geographic distance emerged as a dominant factor influencing the distribution of microplastic abundance, showing a trend of decreasing abundance with increasing distance. Our data-driven framework, based in the distinctive characteristics of wetland microplastic data, serves as a methodological reference for understanding the occurrence and distribution of wetland microplastics and their pollution status, and provides essential data support for effective pollution control strategies in wetlands and other aquatic ecosystems.

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