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Impacts of Typhoon Haikui on the composition and diversity of microplastics in Xiamen’s coastal beaches
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Chengyi Zhang1, Xueyan Li1, Yimeng Zhang2, Zipeng Huang1, Tao Wang3, Sha Liu1, Fengrun Wu1, *
Haiyang Xuebao | 2025, 47(3) : 27 - 38
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Haiyang Xuebao | 2025, 47(3): 27-38
Impacts of Typhoon Haikui on the composition and diversity of microplastics in Xiamen’s coastal beaches
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Chengyi Zhang1, Xueyan Li1, Yimeng Zhang2, Zipeng Huang1, Tao Wang3, Sha Liu1, Fengrun Wu1, *
Affiliations
  • 1School of Environmental Science and Engineering, Xiamen University of Technology, Xiamen 361024, China
  • 2School of Environment, Northeast Normal University, Changchun 130117, China
  • 3State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
Published: 2025-03-31 doi: 10.12284/hyxb2025006
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The dynamics of microplastic pollution in coastal zones, in the context of climate change, is a crucial global environmental issue. This study investigated and analyzed changes in microplastic abundance, composition, and diversity in beach sediments in Xiamen City before and after Typhoon Haikui. The results showed that the abundance of microplastics on the beaches in Xiamen City before Typhoon Haikui was (251.5 ± 27.9) n/kg, which significantly decreased to (127.0 ± 18.8) n/kg post-typhoon. Before and after the typhoon, the composition of microplastics on the beaches exhibited distinct variations. In particular, the abundance of smaller particles (<500 μm) significantly decreased, while the proportion of fibrous particles increased. Moreover, the typhoon event led to a general decrease in the Shannon-Wiener diversity index, while the Pielou’s evenness index increased. Based on the results of this study and previous research, it is concluded that heavy rainfall is the driving factor behind the changes in microplastic abundance and composition on Xiamen’s beaches caused by Typhoon Haikui. The impact of typhoons on the dynamics of microplastic pollution in coastal zones results from the coupling of multiple physical processes, influenced by a complex combination of factors, such as dynamic conditions, sediment physical and chemical factors, and topography. In the future, it will be necessary to conduct long-term monitoring of hydrological and meteorological data, and to carry out more in-depth, systematic, and comprehensive research on the underlying mechanisms.

typhoon  /  coastal beaches  /  microplastic pollution  /  diversity
Chengyi Zhang, Xueyan Li, Yimeng Zhang, Zipeng Huang, Tao Wang, Sha Liu, Fengrun Wu. Impacts of Typhoon Haikui on the composition and diversity of microplastics in Xiamen’s coastal beaches[J]. Haiyang Xuebao, 2025 , 47 (3) : 27 -38 . DOI: 10.12284/hyxb2025006
Year 2025 volume 47 Issue 3
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Article Info
doi: 10.12284/hyxb2025006
  • Receive Date:2024-06-25
  • Online Date:2025-10-27
  • Published:2025-03-31
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  • Received:2024-06-25
  • Revised:2024-12-02
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Affiliations
    1School of Environmental Science and Engineering, Xiamen University of Technology, Xiamen 361024, China
    2School of Environment, Northeast Normal University, Changchun 130117, China
    3State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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