辽宁沙化区域植被类型及土壤特征

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关键词沙化;植被类型；多样性指数；土壤理中图分类号S714文献标识码A文章编号 0517-6611（2026）03-0052-06doi：10.3969/j. issn.0517-6611.2026.03.011开放科学（资源服务）标识码（OSID）：

Vegetation Types and Soil Characteristics in Sandy Areas of Liaoning Province

WANG Yi-fan，WANGYang，CHENQingetal（CollgeofLifeScience，Shenyang NormalUniversity，ShenyangLiaoning10034） AbstractOjeci]TstudyevgetationtysndoilcaracerstisinheasedyesertfiatioineorofLo ingProvine.Methd]AsureywasconductedonthvegetatioofdserifedlandinLiaoingProvinc，evealingthediversityfetatio typesandherbaceousplantsindiferentypesThephysicalandchemicalidicatorsoftesoilwherethecommunityaslocatedwreanalyzedadoiftotstedltooft constructionwerevauated.esultccodintCseVeeion，hrveditiseasifdinto3geatios，et tiofosloeto broadeafforestreafeedtsadaffrt）eeafdafiedst（reaeedtosdforst）， deciduousneeeleafshrubland（ereinaferreferedtoasshruband）andtusockgassand（ereiaftereferedtoasassand）hao Wiener index and Simpson index of herbaceous layer of diffrent vegetation types were orderedas needleleaf forest < broadleaf forest < mixed forest < grassland < shrubland.Thesoil watercontentofbroadleavf forest was significantly higherthan thatofother vegetationformations，the totalnitrogentotalposposdcatofasdigfantlyrantoefdfrestdeadot of mixed forest was significantly higher than that of other vegetation formations（ P<0.05 ）.RDA analysis showed that soil pH，fine silt content andavalblephosphousontenteretefactorsithghcoelationwithrbacousspeciesdiversityinLiaoningdesertfiaarea. Key wordsDesertification; Vegetation type;Diversity index;Soil physicochemical properties

沙化是土地荒漠化的一种表现形式，指一些非沙漠地区的生态系统遭到人为破坏以后出现类似沙漠特征的退化以及沙漠地区的恶化和扩张[]。（剩余14610字）