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Microplastics in Sediments of East Surabaya, Indonesia: Regional Characteristics and Potential Risks

Author

Listed:
  • Achmad Chusnun Ni’am

    (Department of Environmental Engineering, Institut Teknologi Adhi Tama Surabaya, Jalan Arief Rahman Hakim, Surabaya 60117, Indonesia)

  • Fahir Hassan

    (Department of Civil Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan
    Advanced Environmental Ultra Research Laboratory (ADVENTURE), Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan)

  • Ruei-Feng Shiu

    (Institute of Marine Environment and Ecology, National Taiwan Ocean University, Keelung 20224, Taiwan)

  • Jheng-Jie Jiang

    (Advanced Environmental Ultra Research Laboratory (ADVENTURE), Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan 320314, Taiwan
    Center for Environmental Risk Management (CERM), Chung Yuan Christian University, Taoyuan 320314, Taiwan)

Abstract

The presence of microplastics (MPs) in marine environments has become increasingly apparent. Owing to the lack of effective solid waste management, Indonesia is the second largest producer of ocean plastic waste after China. Currently, information about pollution of MPs in the sediments of East Surabaya, Indonesia, is not available, and this issue is addressed in this study for the first time. Sediment samples were collected from 16 sampling sites along urban and mangrove coastal areas. MPs were observed in most of the sampling sites, with abundances ranging from ND (not detected) to 598 items/kg. MP shapes constituted fragments (30%), foam (28%), granules (22%), and fibers (20%). The 500–1000 µm fraction was the dominant size of MPs. Polypropylene was the major polymer constituent, followed by high-density polyethylene and polyethylene. Findings from Spearman’s correlation coefficients, principal component analysis, and hierarchical cluster analysis reveal that the spatial pattern of MPs is closely related to coastal characteristics and population density. MPs in different coastal regions were assessed by the polymer risk index. Results reveal that coastal areas in the Bulak district exhibit the highest risk. Our results confirm the prevalence of MPs as anthropogenic pollutants in East Surabaya and highlight the importance of management action and education on environmental protection for the mitigation of MP pollution.

Suggested Citation

  • Achmad Chusnun Ni’am & Fahir Hassan & Ruei-Feng Shiu & Jheng-Jie Jiang, 2022. "Microplastics in Sediments of East Surabaya, Indonesia: Regional Characteristics and Potential Risks," IJERPH, MDPI, vol. 19(19), pages 1-10, September.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:19:p:12348-:d:928000
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    Cited by:

    1. Soesilo, Nining Indroyono & Alfarizi, Muhammad, 2024. "Psycho-social conditions of urban communities in the complexity of waste management: Are awareness and waste banks the main solution?," Socio-Economic Planning Sciences, Elsevier, vol. 93(C).
    2. Sri Widyastuti & Angga Susmana Abidin & Hikmaturrohmi Hikmaturrohmi & Bq Tri Khairina Ilhami & Nanda Sofian Hadi Kurniawan & Ahmad Jupri & Dining Aidil Candri & Andri Frediansyah & Eka Sunarwidhi Pras, 2023. "Microplastic Contamination in Different Marine Species of Bintaro Fish Market, Indonesia," Sustainability, MDPI, vol. 15(12), pages 1-14, June.

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