城市景观湖泊中微塑料的分布特征
Distribution Characteristics of Microplastics in Urban Landscape Lakes
DOI: 10.12677/aep.2026.166101, PDF,    科研立项经费支持
作者: 王永凯, 任鸿钊, 许 强, 戚鹏宇, 李炎博, 李 扬*：中原工学院智慧能源与环境学院，河南，郑州
关键词: 微塑料；景观湖；水体；分布特征；Microplastics； Landscape Lake； Water Body； Distribution
摘要: 为探究城市景观湖泊微塑料污染特征，本研究采集郑州市7个代表性湖体表层水样，分析微塑料的丰度、形态、尺寸及聚合物类型。结果表明，微塑料在所有点位均有检出，丰度范围为139.74~285.46 n/L，平均值为(196.00 ± 53.17) n/L，空间差异性显著，人类活动密集、水体流动性差的点位丰度更高。微塑料以碎片状(39.26%)和薄膜状(29.33%)为主，尺寸 < 100 μm的占比超过70%。聚合物类型以聚甲醛(POM)和聚酰胺(PA)为主，反映周边工业及垂钓活动的影响。研究表明，郑州市城市景观湖体微塑料丰度处于中等偏高水平，人类活动与水文条件是主要控制因素。
Abstract: To investigate the pollution characteristics of microplastics in urban landscape lakes, surface water samples were collected from seven representative lakes in Zhengzhou City. The abundance, morphology, size, and polymer types of microplastics were analyzed. The results showed that microplastics were detected at all sampling sites, with abundances ranging from 139.74 to 285.46 n/L and an average value of (196.00 ± 53.17) items/L. Significant spatial heterogeneity was observed, with higher abundances at sites characterized by intensive human activities and poor water mobility. The dominant microplastic morphologies were fragments (39.26%) and films (29.33%), and particles smaller than 100 μm accounted for over 70% of the total. The main polymer types were polyoxymethylene (POM) and polyamide (PA), reflecting the influence of surrounding industrial activities and recreational fishing. This study indicates that microplastic pollution in urban landscape lakes of Zhengzhou is at a moderately high level, and human activities together with hydrological conditions are the key controlling factors.
文章引用：王永凯, 任鸿钊, 许强, 戚鹏宇, 李炎博, 李扬. 城市景观湖泊中微塑料的分布特征[J]. 环境保护前沿, 2026, 16(6): 1000-1009. https://doi.org/10.12677/aep.2026.166101

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