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This chapter examines the significant role of various terrestrial sources in releasing microplastics (MPs) into freshwater systems. Key contributors include stormwater runoff, agricultural activities, and wastewater treatment plants (WWTPs), each facilitating the transport and accumulation of microplastics in aquatic environments. We will explore the mechanisms through which these sources contribute to microplastic pollution, highlighting the implications for water quality and ecosystem health. The chapter details the types of microplastics emitted from each source, their size distribution, and their abundance, providing a clearer picture of the scale and impact of this environmental issue. Additionally, we will discuss other important sources, such as roadway tire wear particles (TWPs), landfill leachate, and industrial discharges, to comprehensively understand the various terrestrial origins contributing to microplastic pollution. By analyzing these factors, this chapter aims to elucidate the pathways through which microplastics enter freshwater ecosystems, emphasizing the need for effective management strategies to mitigate their environmental impact. Understanding these sources and their characteristics is crucial for developing targeted interventions to reduce microplastic contamination and protect freshwater resources for future generations.

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Release of Microplastics by Terrestrial Sources into Freshwater Environments

  • 章节

  • 发表日期：

    2025年

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  • Maryam Salehi,
  • Abdul Mobin Ibna Hafiz,
  • Ebrahim Ahmadisharaf,
  • Farhad Jazaei

摘要

This chapter examines the significant role of various terrestrial sources in releasing microplastics (MPs) into freshwater systems. Key contributors include stormwater runoff, agricultural activities, and wastewater treatment plants (WWTPs), each facilitating the transport and accumulation of microplastics in aquatic environments. We will explore the mechanisms through which these sources contribute to microplastic pollution, highlighting the implications for water quality and ecosystem health. The chapter details the types of microplastics emitted from each source, their size distribution, and their abundance, providing a clearer picture of the scale and impact of this environmental issue. Additionally, we will discuss other important sources, such as roadway tire wear particles (TWPs), landfill leachate, and industrial discharges, to comprehensively understand the various terrestrial origins contributing to microplastic pollution. By analyzing these factors, this chapter aims to elucidate the pathways through which microplastics enter freshwater ecosystems, emphasizing the need for effective management strategies to mitigate their environmental impact. Understanding these sources and their characteristics is crucial for developing targeted interventions to reduce microplastic contamination and protect freshwater resources for future generations.