景观植物对河道水环境表层沉积物污染的净化效果研究

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文章编号：1674-6139（2026）04-0068-05

中图分类号：X522文献标志码：B

Purification Effect of Landscape Plants on Surface Sediment Pollution in River Water Environments

Zhu Siming，Hou Minna，Tang Yixuan

（Huaqing College，Xi'an University of Architecture and Technology，Xi'an71OO43，China）

Abstract：InresponsetotheseveresurfacesedimentpolutioninatributaryoftheZaohRiverinXi'ancausedbydomesticandindustialwastewaterdiscarge，thisstudyinvestigatesthepurificationefectoflandscapeplantsonolutedsurfacesdimentsnriver waterenvironments．RiverwaterfromtheZaohRiverwascolectedtosimulatethewaterenvironmentinordertosetupeightexperimentalgroupswitheithersingleormixedspeciesoflandscapeplantsinvariousratios.Testudymonitoredandanalyzedtheremoval ratesoftotalpospos，totlrogicalynd，otalspeedldsdaetalstateti ofsedimentpolutionpurificatio.ExperimentalresultsshowedtatPhagmitesustralis（commoned）wasostfectiveiovingT andTN；Oenanthejavanica（waterdropwort）andPhragmitesachievedthehighestCODandTSSremovalrates；Typha（catail）asmost effective for heavy metal removal．Among the mixed planting groups，the combination of Typha ∵ Phragmites：Plantago ∵ Oenanthe in a 2：2：1：2 ratio exhibited the best overall purification performance，with removal rates exceeding 85% for all pollutant types.

Key words：landscape plants；river water environment；surface sediments；pollution purification；COD

前言

景观植物，特别是水生植物，对河道水环境表层沉积物污染的净化效果显著，这主要得益于它们独特的生理特性和生态功能[1]。（剩余3948字）