分析波斯湾船舶压载水中的微塑料及其生态风险评估研究。
Analysis of microplastics in ships ballast water and its ecological risk assessment studies from the Persian Gulf.
机构信息
Student Research Committee, Bushehr University of Medical Sciences, Bushehr, Iran; Department of Environmental Health Engineering, Faculty of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran.
Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran.
出版信息
Mar Pollut Bull. 2024 Jan;198:115825. doi: 10.1016/j.marpolbul.2023.115825. Epub 2023 Nov 28.
Transport of ballast water is considered a significant vector for dispersion of different pollutants, including microplastics (MPs), throughout the world's oceans. However, there is limited information on MPs in ballast water. Size distribution, polymer type, and ecological risks of MPs in ballast water were investigated for the first time in this study. The mean levels of MPs in ballast water and seawater samples were 12.53 and 11.80 items/L, respectively. MPs with a size category of 50-300 μm was the most abundant. Fiber, black, and polycarbonate (PC) were the predominant shape, color, and polymer type of identified MPs in ballast water and seawater, respectively. The pollution load index (PLI), hazard index (HI), and risk quotient (RQ) indicated high levels of MP pollution, potentially indicating an ecological risk. These findings increase our understanding of the major sources (such as ballast water), transportation routes, and related ecological risks of MPs to marine ecosystems.
压载水的运输被认为是全球海洋中不同污染物（包括微塑料 (MPs)）分散的重要载体。然而，关于压载水中 MPs 的信息有限。本研究首次调查了压载水中 MPs 的粒径分布、聚合物类型和生态风险。压载水和海水样本中 MPs 的平均水平分别为 12.53 和 11.80 个/L。粒径为 50-300 μm 的 MPs 最为丰富。纤维、黑色和聚碳酸酯 (PC) 分别是压载水和海水中鉴定出的 MPs 的主要形状、颜色和聚合物类型。污染负荷指数 (PLI)、危害指数 (HI) 和风险商 (RQ) 表明 MPs 污染水平较高，可能表明存在生态风险。这些发现增加了我们对 MPs 对海洋生态系统的主要来源（如压载水）、运输途径和相关生态风险的理解。
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