The pollution characteristics and risk assessment of microplastics in mollusks collected from the Bohai Sea
Copyright © 2023 Elsevier B.V. All rights reserved..
Microplastics (MPs) pollution in the marine environment has become a global problem. In this study, a number of 21 mollusk species (n = 2006) with different feeding habits were collected from 11 sites along the Bohai Sea for MPs uptake analysis. The MPs in mollusk samples were isolated and identified by micro-Fourier Transform Infrared Spectroscopy (μ-FTIR), and an assessment of the health risks of MPs ingested by mollusk consumption is also conducted. Approximately 91.9 % of the individuals among all the collected species inhaled MPs, and there was an average abundance of 3.30 ± 2.04 items·individual-1 or 1.04 ± 0.74 items·g-1 of wet weight. The shape of MPs was mainly fiber, and a total number of 8 polymers were detected, of which rayon had the highest detection rate (58.3 %). The highest abundance, uptake rate and polymer composition of MPs was observed in creeping types, suggesting that they might ingest these MPs from their food. The gastropod Siphonalia subdilatata contains the highest levels of MPs, which may increase the risk of human exposure if consumed whole without removing the digestive gland. The polymer risk level of MPs in these mollusks was Level III (H = 299), presenting harmful MPs such as polyvinyl chloride. In terms of human exposure risk, the average risk of human exposure to MPs through consumption of Bohai mollusks is estimated to be 3399 items·(capita·year)-1 (424-9349 items·(capita·year)-1). Overall, this study provides a basis for the ecological and health Risk assessment of MPs in mollusks collected from the coastline of China.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:913 |
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| Enthalten in: |
The Science of the total environment - 913(2024) vom: 25. Jan., Seite 169739 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhao, Shuang [VerfasserIn] |
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| Links: |
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| Themen: |
Abundance |
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| Anmerkungen: |
Date Completed 18.01.2024 Date Revised 18.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.scitotenv.2023.169739 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM366542494 |
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| 245 | 1 | 4 | |a The pollution characteristics and risk assessment of microplastics in mollusks collected from the Bohai Sea |
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| 520 | |a Microplastics (MPs) pollution in the marine environment has become a global problem. In this study, a number of 21 mollusk species (n = 2006) with different feeding habits were collected from 11 sites along the Bohai Sea for MPs uptake analysis. The MPs in mollusk samples were isolated and identified by micro-Fourier Transform Infrared Spectroscopy (μ-FTIR), and an assessment of the health risks of MPs ingested by mollusk consumption is also conducted. Approximately 91.9 % of the individuals among all the collected species inhaled MPs, and there was an average abundance of 3.30 ± 2.04 items·individual-1 or 1.04 ± 0.74 items·g-1 of wet weight. The shape of MPs was mainly fiber, and a total number of 8 polymers were detected, of which rayon had the highest detection rate (58.3 %). The highest abundance, uptake rate and polymer composition of MPs was observed in creeping types, suggesting that they might ingest these MPs from their food. The gastropod Siphonalia subdilatata contains the highest levels of MPs, which may increase the risk of human exposure if consumed whole without removing the digestive gland. The polymer risk level of MPs in these mollusks was Level III (H = 299), presenting harmful MPs such as polyvinyl chloride. In terms of human exposure risk, the average risk of human exposure to MPs through consumption of Bohai mollusks is estimated to be 3399 items·(capita·year)-1 (424-9349 items·(capita·year)-1). Overall, this study provides a basis for the ecological and health Risk assessment of MPs in mollusks collected from the coastline of China | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Abundance | |
| 650 | 4 | |a Feeding habits | |
| 650 | 4 | |a Health risk assessment | |
| 650 | 4 | |a MPs | |
| 650 | 4 | |a Mollusks | |
| 650 | 7 | |a Microplastics |2 NLM | |
| 650 | 7 | |a Plastics |2 NLM | |
| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 700 | 1 | |a Liu, Yongliang |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Chaofan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiaodan |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Chaowei |e verfasserin |4 aut | |
| 700 | 1 | |a Teng, Jia |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Jianmin |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Qing |e verfasserin |4 aut | |
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