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The occurrence and exposure of microplastics in bivalves from Qingdao, China
Marine Pollution Bulletin ( IF 5.3 ) Pub Date : 2024-08-31 , DOI: 10.1016/j.marpolbul.2024.116880 Linghua Huang 1 , Jingxi Li 2 , Daoyuan Yang 3 , Di Zhang 2 , Jianwen Li 3 , Xingfen Yang 4 , Haixia Sui 3 , Yongning Wu 5
Marine Pollution Bulletin ( IF 5.3 ) Pub Date : 2024-08-31 , DOI: 10.1016/j.marpolbul.2024.116880 Linghua Huang 1 , Jingxi Li 2 , Daoyuan Yang 3 , Di Zhang 2 , Jianwen Li 3 , Xingfen Yang 4 , Haixia Sui 3 , Yongning Wu 5
Affiliation
This study investigated the regional, seasonal, and species abundance and characteristics of microplastics (MPs) in bivalves from Qingdao, China and assessed the dietary exposure of MPs through bivalve consumption. The average abundance was 1.17 ± 1.07 items/individual or 0.17 ± 0.22 items/g wet weight. Fiber was the dominant shape (91.5 %). The average size of MPs was 995.63 ± 796.59 μm. Rayon, PE, and PET contributed mostly to the MPs composition. There were no significant regional or seasonal differences in MPs abundance (p > 0.05), while there were significant species differences (p < 0.05) when describing the abundance by wet weight. The estimated daily intakes of MPs through bivalve consumption by general population, consumer only population, and coastal residents in China were 3.32 × 10−3 , 0.08, and 0.16 μg/kg BW, respectively. The exposure assessment method by converting the quantity of MPs into mass may facilitate the risk characterization in the future.
更新日期：2024-08-31
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