长江上游珍稀特有鱼类国家级自然保护区(宜宾段)水生植物多样性研究

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中图分类号S759.9文献标识码A

文章编号 0517-6611（2025）11-0090-08

doi：10.3969/j.issn. 0517-6611. 2025.11. 020

开放科学（资源服务）标识码（OSID）：

Research on PlantDiversity inthe National NatureReserveof Rareand Unique Fish Species inthe UpperReachesoftheYangtze River（Yibin Section）

GUOHao-fanJgbin，GJjuetal（IstituteofolgicalConsevatidRstratio，secadefF estryeijng；iteofddbdol andRestoratioigo；.ibrstdboru，;bsettele Reserveof RareandUnique Fish Speciesinthe UpperReachesofthe YangtzoRiver（Yibin Section），Yibin，Sichuan 0）

AbstractThissudyconductedasureyandanalysisofaquaticplantdiversityintenatioalnatureresereofrareandedemicfishspeis intheuperreachesof heYangtzeRiver（hereinafterreferedtoasthe“reserve"）（Yibinsection）bycombiningthesplinemetodandsamplingmethod.Thesultssotattereare9specisoflantsbelongingto59gneraand63familiesintheserve（Yibinsctio）he mainrepresentatietscueersicaresis，rcrialifoustIabidednto“satsfdu Phragmitesstralsot”，"Dsigonndesissoatio”，“lixtialifoaoatio”d “PersicariacesisPlyofgViciacoatio.eiesdstin“Dscrotgeroncadessoo issignificantlyowrantatioociatioscatigtatisieplatsaveaosipactolocalplatdvesitisudy providesthefistcomprehensivereportontheaquaticplantdiversityinthereserve（Yibinsection）revealingthesevereimpactofinvsive plantsonnatiepecis.Itudesorstdtproprevetigtelossoflatdivesityineangeivosdtro ling invasive species in the management of the Yibin section.

KeyWordsYangtze River Basin;Aquatic plant; Biodiversity index;Plant association;Invasive species

植物作为生物多样性的核心组成部分，在各类生态系统中发挥着关键作用。（剩余13396字）