Assessment of microplastics pollution level on clam farming and bathing beaches: a case study of Thanh Phu in Ben Tre, Vietnam.

IF 2.2 4区医学 Q3 ENVIRONMENTAL SCIENCES International Journal of Environmental Health Research Pub Date : 2024-07-08 DOI:10.1080/09603123.2024.2377306

Ngo Thi Tuong Vy, Dang Nguyen Nha Khanh, Le Hai Khoa, Nguyen Tan Phat, Lieu Kim Phuong, Danh Mon, Pham Tuan Nhi, Nguyen Thi Mong Lan, Do Ngoc Thanh, Nguyen The Anh, Thong Ngoc Lan Anh, Le Minh Dan, Huynh Nhat Tri, Nguyen Thi Kim Phuong

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Abstract

This study focused on the investigation microplastics (MPs) with a size of ≤1.0 mm in sand samples from Thanh Phu beach, Ben Tre, Vietnam. MPs in sand from the clam beach (from 39.67 ± 6.67 to 92.00 ± 12.93 items kg-1 dried sand) were higher than those from the bathing beach (from 21.33 ± 8.76 to 51.67 ± 16.11 items kg-1 dried sand), indicating a direct contribution of MPs from coastal aquaculture. For the clam beach, MPs in surface samples (0-4 cm) were lower than in deep samples (4-6 cm). In contrast, MPs in surface samples (0-2 cm) from the bathing beach were higher than deep samples (2-5 cm). A combination of microscopy and Fourier-transform infrared spectroscopy methods confirmed that 62.5% of the representative MPs samples or 18.9% of the suspected MPs samples were plastics. Low-density polyethylene, polypropylene and polyethylene terephthalate were the largest in abundance. Further studies are needed to assess the environmental risk of MPs accumulation.

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蛤蜊养殖和海水浴场微塑料污染水平评估：越南槟榔屿 Thanh Phu 案例研究。

本研究的重点是调查越南槟树省 Thanh Phu 海滩沙子样本中尺寸≤1.0 mm 的微塑料 (MPs)。蛤蜊海滩沙子中的 MPs（从 39.67 ± 6.67 到 92.00 ± 12.93 项 kg-1 干沙）高于浴场海滩沙子中的 MPs（从 21.33 ± 8.76 到 51.67 ± 16.11 项 kg-1 干沙），表明 MPs 直接来自沿海水产养殖。在蛤蜊海滩，表层样本（0-4 厘米）的 MPs 低于深层样本（4-6 厘米）。相反，海水浴场表层样本（0-2 厘米）中的 MPs 则高于深层样本（2-5 厘米）。显微镜和傅立叶变换红外光谱法相结合的方法证实，62.5%的代表性 MPs 样品或 18.9%的疑似 MPs 样品是塑料。其中以低密度聚乙烯、聚丙烯和聚对苯二甲酸乙二醇酯的含量最高。需要开展进一步研究，以评估积聚的多溴联苯醚对环境造成的风险。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Environmental Health Research 医学-公共卫生、环境卫生与职业卫生

CiteScore

6.70

自引率

3.10%

发文量

134

审稿时长

>12 weeks

期刊介绍： International Journal of Environmental Health Research ( IJEHR ) is devoted to the rapid publication of research in environmental health, acting as a link between the diverse research communities and practitioners in environmental health. Published articles encompass original research papers, technical notes and review articles. IJEHR publishes articles on all aspects of the interaction between the environment and human health. This interaction can broadly be divided into three areas: the natural environment and health – health implications and monitoring of air, water and soil pollutants and pollution and health improvements and air, water and soil quality standards; the built environment and health – occupational health and safety, exposure limits, monitoring and control of pollutants in the workplace, and standards of health; and communicable diseases – disease spread, control and prevention, food hygiene and control, and health aspects of rodents and insects. IJEHR is published in association with the International Federation of Environmental Health and includes news from the Federation of international meetings, courses and environmental health issues.