哈尔滨段松花江干流及呼兰河微塑料赋存现状与来源研究

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中图分类号：X522

文章编号：1674-6139（2025）12-0021-07

文献标志码：B

Abstract：Microplasticsareoneoftheemergingcontaminantsofwidespreadinternationalconcern.Astudyasconductedontheoc currencestatusandsourceanalysisofmicroplasticsinthewaterbodiesofthemainstreamfteSonguaRiverinteHarbinsctioand theHulan River.Theresults showed thattheconcentrationof microplastics inthe waterofthe Hulan Riverranged from 1，00 to 4.94 items/mL，whileinthemainstreamoftheSonghuaRiver，itrangedfromO.86to6.83items/mL.Inthestudyarea，mostmicroplastic particles were concentrated in the size range of 20～30μm ，with small particles being dominant.The types of microplastics were relativelydiverse，withPA，PC，andFPbeingthemostcomoneajorityficroplasticseretransparentfolowedbyblackragt -shapedmicrolasticsccoutedforthelagestproportionfllowdbierapedoAmongteaisourcsoficoplastcol lutionatariouspointsintheHulanRiverfarmlanddrainagediscargeoutletsconributedignificantly，hileinthemainstreaofthe SonghuaRiver，theprimarysourcewasurbanstormwaterdischargeoutlets.Aditionaly，microplasticpolutionintheHulanRivead certain impact on the main stream of the Songhua River.

Keywords：Songhua River；Hulan River；water microplastics；occurrence

前言

相比于大尺寸塑料来说，近年来，科学界的研究焦点已经转向更小尺寸的微塑料（Microplastics，MPs）[1]。（剩余6782字）