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August 12, 2026Environmental Science & Technology

An Initial Assessmentof Microplastic Distributionacross Trophic Levels in Benthic Ecosystems of Tidal Flats

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Authors

BPByeongyong ParkYKYubin KooSYSungkook Yun

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Overview

Initial assessment reveals microplastic exposure varies by feeding strategy in tidal flat ecosystems, indicating ecological risks.

Key Points

  • This research aims to assess the distribution of microplastics across various trophic levels in tidal flat ecosystems.
  • Count-based approach to investigate microplastics in sediments, seawater, macroalgae, and benthic organisms from two tidal flats in Incheon.
  • Analysis of 19 benthic species and 81 individual organisms for microplastic presence and abundance.
  • Microplastics dominated by polypropylene, polyethylene, and polystyrene; particle sizes of 20–100 μm made up 65% of total particles.
  • Predators had a higher microplastic abundance (3.63 MPs/g) compared to filter feeders (0.87 MPs/g) and macroalgae (11.62 MPs/g).
  • Bioconcentration factors and biomagnification factors indicated significant microplastic accumulation in different feeding strategies.

Cite This Study

Park et al. (2026) studied this question.

synapsesocial.com/papers/6a7c20ae06a85aed514b7a58https://doi.org/10.1021/acs.est.6c02511
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