Article(id=1314917567525905000, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314917454552327005, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1734364800000, receivedDateStr=2024-12-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791430378084, onlineDateStr=2026-10-08, pubDate=1752940800000, pubDateStr=2025-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791430378084, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791430378084, creator=13701087609, updateTime=1791430378084, updator=13701087609, issue=Issue{id=1314917454552327005, tenantId=1146029695717560320, journalId=1234093305789726721, year='2025', volume='45', issue='7', pageStart='3553', pageEnd='4144', issueExtLink='null', onlineDate='null', pubDate='1752940800000', pubDateStr='2025-07-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791430351150, creator='13701087609', updateTime=1791431931754, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314924084186669335, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314917454552327005, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314924084186669336, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314917454552327005, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3884, endPage=3895, ext={EN=ArticleExt(id=1314917567748203113, articleId=1314917567525905000, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=The impact of confluence on the distribution of microplastic pollution in sediments of the Yellow River (Zhengzhou Section), columnId=1234106388083954308, journalTitle=China Environmental Science, columnName=Environmental Ecology, runingTitle=null, highlight=null, articleAbstract=

A total of 24 sediment samples were collected from the Yellow River Zhengzhou Section to explore the influence of confluence on the distribution and pollution of microplastics in the sediments of the middle and lower reaches of the Yellow River. To investigate the pollution distribution characteristics of microplastics, quantitative and qualitative analysis were conducted by using stereomicroscopy and fourier transform infrared spectroscopy method. Subsequently, cluster analysis was performed to examine the relationship of the microplastics pollution distribution between the main and tributary streams. The results showed that the mean values of microplastic abundance in the sediments were (1340.97 ± 314.84) n/kg and (2372.22 ± 604.17) n/kg during the wet season and dry season, respectively. Overall, the abundance of microplastics showed a trend of higher tributary than main stream, and higher downstream than upstream. Among them, fibrous microplastics accounted for the highest proportion, and dominated by blue, black, and transparent, with the majority of the particle size less than 2mm. The main polymer type was polyethylene terephthalate (PET), and the waste water discharges from washing and household waste disposal were identified as the major sources. Moreover, increased diversity in shapes and types of microplastic were observed after confluence, with a reduction in the fraction of the dominant colours (blue, black, clear) and an expansion in the proportion of small particle sizes (<2mm). This indicates that the tributaries, as the source, contributed to the composition and distribution of microplastics in the main stream sediments after confluence, even affecting their migration.

, authors=Fa-wen ZHANG¹, Zheng-yun DENG¹, Zheng YANG¹, Yong-qiang LUO¹, Chang-min ZHAO², He-tong LI², Li-ping JIANG¹, Xin GUI¹, Li MA^{1, *}, authorsList=Fa-wen ZHANG, Zheng-yun DENG, Zheng YANG, Yong-qiang LUO, Chang-min ZHAO, He-tong LI, Li-ping JIANG, Xin GUI, Li MA, authorCompany=null, correspAuthors=Li MA, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314917568297656938, articleId=1314917567525905000, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=汇流对黄河郑州段沉积物微塑料污染分布的影响, columnId=1234106388268503686, journalTitle=中国环境科学, columnName=环境生态, runingTitle=null, highlight=null, articleAbstract=

为探究汇流对黄河中下游沉积物中微塑料分布和污染的影响，采集了黄河郑州段24个沉积物样本，通过体视显微镜和傅里叶红外光谱对微塑料进行定量和定性分析，探讨其污染分布特征；利用聚类分析考察干、支流微塑料污染分布之间的关系．结果表明：丰水期和枯水期沉积物中微塑料丰度均值分别为（1340.97 ± 314.84）n/kg和（2372.22 ± 604.17）n/kg；总体来看，微塑料丰度呈现支流>干流、下游>上游的趋势；其中纤维状微塑料占比最高，颜色以蓝色、黑色和透明为主；粒径<2mm居多；主要聚合物类型是聚对苯二甲酸乙二醇酯（PET），其主要来源是洗涤废水排放和生活垃圾丢弃；汇流后微塑料形状和种类组成丰富度增加，主导色（蓝、黑、透明）占比降低，小粒径（<2mm）占比增加．这说明支流作为源，汇流后改变了干流沉积物微塑料的组成和分布，甚至影响其迁移．

, authors=张发文¹, 邓正云¹, 杨铮¹, 罗永强¹, 赵长民², 李和通², 蒋莉萍¹, 桂新¹, 马丽^{1, *}, authorsList=张发文, 邓正云, 杨铮, 罗永强, 赵长民, 李和通, 蒋莉萍, 桂新, 马丽, authorCompany=null, correspAuthors=马丽, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=TsqKvqMS09b8O32TNNGy8g==, magXml=DIO/9qe4dL4wh0Bq+GcxQA==, pdfUrl=null, pdf=IMl1MzJ1/cbuVJq1/HQRTw==, pdfFileSize=2074335, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=O9P/Qcl5ObAZAZ29r42RPg==, mapNumber=null, fund=null)}, authors=[Author(id=1314917571149783668, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314917567525905000, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhangfawen@henau.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314917571250446966, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314917567525905000, authorId=1314917571149783668, language=EN, stringName=Fa-wen ZHANG, firstName=Fa-wen, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.College of Forestry, Henan Agricultural University, Zhengzhou 450046, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314917571346915959, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314917567525905000, authorId=1314917571149783668, language=CN, stringName=张发文, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.河南农业大学林学院，河南 郑州 450046, bio={"content":"

张发文（1981-），男，河南信阳人，副教授，博士，主要从事新污染物的行为特征及风险评价等研究．发表论文30余篇．zhangfawen@henau.edu.cn.

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张发文（1981-），男，河南信阳人，副教授，博士，主要从事新污染物的行为特征及风险评价等研究．发表论文30余篇．zhangfawen@henau.edu.cn.

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