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Influence of eco-friendly float replacement on microplastic pollution and their metal adsorption behavior in Sanggou Bay, China

Marine Environmental Research 2025 Score: 48 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Lin Zhu, Zhihua Feng, Xuemei Sun, Zhihua Feng, Lin Zhu, Xuemei Sun, Xuemei Sun, Xuemei Sun, Zhihua Feng, Xuemei Sun, Xiaoli Chen, Xuemei Sun, Qi Sui, Qi Sui, Qi Sui, Qi Sui, Qi Sui, Qi Sui, Qi Sui, Qi Sui, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Bin Xia Bin Xia Bin Xia Lin Zhu, Lin Zhu, Zhihua Feng, Qi Sui, Xiaoli Chen, Qi Sui, Zhihua Feng, Hao Wang, Xuemei Sun, Qi Sui, Qi Sui, Bin Xia Zhihua Feng, Xuemei Sun, Qi Sui, Qi Sui, Xuemei Sun, Xiaoli Chen, Xiaoli Chen, Zhihua Feng, Guoshun Liu, Qi Sui, Zhihua Feng, Qi Sui, Zhihua Feng, Zhihua Feng, Lin Zhu, Zhihua Feng, Bin Xia Zhihua Feng, Zhihua Feng, Lin Zhu, Qi Sui, Xuemei Sun, Qi Sui, Bin Xia Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Qi Sui, Hao Wang, Xiaoli Chen, Xuemei Sun, Xuemei Sun, Xuemei Sun, Xuemei Sun, Lin Zhu, Lin Zhu, Lin Zhu, Lin Zhu, Lin Zhu, Lin Zhu, Lin Zhu, Lin Zhu, Zhihua Feng, Zhihua Feng, Qi Sui, Qi Sui, Xuemei Sun, Lin Zhu, Qi Sui, Qi Sui, Xiaoli Chen, Lin Zhu, Xiaoli Chen, Bin Xia Bin Xia Zhihua Feng, Qi Sui, Qi Sui, Qi Sui, Xuemei Sun, Xuemei Sun, Xuemei Sun, Lin Zhu, Lin Zhu, Zhihua Feng, Bin Xia Bin Xia Bin Xia Lin Zhu, Lin Zhu, Bin Xia Lin Zhu, Lin Zhu, Zhihua Feng, Lin Zhu, Lin Zhu, Zhihua Feng, Xuemei Sun, Lin Zhu, Bin Xia Bin Xia Lin Zhu, Lin Zhu, Manman Wei, Bin Xia Bin Xia Qi Sui, Bin Xia Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Lin Zhu, Zhihua Feng, Qi Sui, Zhihua Feng, Zhihua Feng, Manman Wei, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Bin Xia Xuemei Sun, Bin Xia Zhihua Feng, Xuemei Sun, Bin Xia Bin Xia Bin Xia Bin Xia Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Xuemei Sun, Zhihua Feng, Zhihua Feng, Lin Zhu, Bin Xia Bin Xia Zhihua Feng, Bin Xia Zhihua Feng, Zhihua Feng, Zhihua Feng, Zhihua Feng, Bin Xia Bin Xia Bin Xia

Summary

This study investigated whether replacing conventional mariculture floats with eco-friendly alternatives reduced microplastic pollution in surrounding waters. Eco-friendly floats released fewer MPs, but their different surface chemistry also altered the adsorption behavior of metals, creating trade-offs that complicate straightforward pollution reduction assessments.

Study Type Environmental

Mariculture regions represent significant hotspots for microplastic (MP) pollution. While eco-friendly floats are increasingly replacing conventional counterparts, the efficacy of this intervention in mitigating MP pollution and its implications for metal adsorption behavior in the marine environment remain poorly characterized. This study investigated the influence of eco-friendly float replacement on MP pollution and their metal adsorption behavior in Sanggou Bay, China. The results showed that the average abundance of MPs was 4.50 ± 0.57 items/L in surface seawater and 1872.86 ± 138.68 items/kg in sediments, respectively. MPs smaller than 0.5 mm and fibers in shape were dominated in both surface seawater and sediments. Transparent MPs were most prevalent, with polyethylene (PE), polypropylene (PP), and polystyrene (PS) as the dominant polymers. Following the replacement of conventional floats with eco-friendly floats, MP abundance in surface seawater decreased by 77.57 %. Notably, MP toxicity equivalent values in both seawater and sediment were significantly declined, indicating that eco-friendly floats effectively alleviate MP pollution. Analysis of metal adsorption onto MPs in surface seawater indicated that Mn, Cr, and Cu accounted for >84 % of total adsorption. Adsorption behavior was influenced by MP size, polymer type, and ambient metal concentrations. These findings highlight eco-friendly floats as an effective mitigation strategy to reduce MP pollution and advance understanding of the fate and risk of MPs in mariculture ecosystem.

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