大白杜鹃群落特征及其物种多样性分析

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关键词大白杜鹃；群落结构；重要值；物种多中图分类号S718.5文献标识码A文章编号 0517-6611（2025）21-0105-03doi：10.3969/j. issn.0517-6611.2025.21. 019

AbstractododendondisteestdistrbtioofododedroseciesiuouProvendislsoniporanteatio typerepresentativeofwestealpineshrub.Tebotanicalcommunitysurveymethodwasusedtoinvestigatethecommunitysructureandspe ciesdiversityofododendrondcouinWiingarea.esutssowedthattreere23specis，Ogeneraand5familisfvsclar plants inthecommunityTeverticalherachyof tecommunityasvious，ncludingonlyshublayeranderblayer.ereere6pecies ofshubsandsisofbs，orylusanesssthotporatiouityndododedrocoastdt important;teameterlasssoftepulatiooslyocetratedintdndlaredametercasssndteidividalsf diaeterseebsenthefedhatthopulatioasakialbilitydelogdtogtlis ofspeciesdiversitysodtattdmantspeiesieubaerrebus，tespesquanitydistrbutioasdiretespis intheherblayelesstrbutionsorefoteralldiesideofomuitasowtabilitdfo ty were not high，there is a tendency to continue the succession.

Key WordsRhododendron decorum;Community structure;Importance value;Species diversity

大白杜鹃（Rhododendrondecorum）为杜鹃花科（Ericace-ae）杜鹃花属（RhododendronL.）常绿灌木或小乔木，大白杜鹃在贵州分布较广，特别是在西部地区的大方、织金、纳雍、赫章、威宁、水城、盘州等地，分布于海拔 1 540～2 900m 的山沟、山坡疏密林中、灌木林、灌丛中，常常成为林下优势种或成为灌木林和灌丛、灌草丛群落。（剩余4907字）