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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Environmental Sources Marine & Wildlife Sign in to save

Vertical Distribution of Marine Microplastics in the Intertidal Zone of Xiamen Bay

Environmental science and engineering 2025
Xiping Zhou, Yongmei Zhao, Q. M. Jonathan Wu, Y. Zhu, Kun Li, F Li, F Li, Yingjie Weng

Summary

This study mapped the vertical distribution of microplastics in sandy intertidal sediments at Xiamen Bay, finding that particle abundance, morphology, and polymer composition varied significantly with sediment depth and tidal dynamics. Intertidal zones serve as active mixing environments that can remobilize buried microplastics back into the water column, increasing bioavailability to coastal organisms and humans consuming local seafood.

In order to understand the occurrence and distribution of marine microplastics in the intertidal zone, a study on microplastics in sandy intertidal zone sediments was conducted on the south coast of Xiamen Bay in October 2022. The research results showed that the...

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