黄河下游河岸带湿地优势植物群落土壤有机碳分布特征

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中图分类号:S154.1;TV882.1 文献标志码:A doi:10.3969/j.issn.1000-1379.2025.08.022引用格式:,,,等.黄河下游河岸带湿地优势植物群落土壤有机碳分布特征[J].人民黄河,2025,47(8):134-139.
Distribution Characteristics and Influencing Factors of Soil Organic Carbon in Dominant Plant Communities in the Riparian Wetland of the Lower Yellow River
WANG Chaoping1,GUO Erhui², ZHANG Yan³, ZHANG Yi³,LIU Yang4 (1.Henan Rural Social Development Service Center, Zhengzhou 45oo03,China; 2.College of Forestry of Henan Agricultural University, Zhengzhou 45OO46,China; 3.Henan Soil and Water Conservation Monitoring Central Station, Zhengzhou 45Ooo8, China; 4.Henan Branch,China South-to-North Water Diversion MiddleRoute Corporation Limited,Zhengzhou45O018,China)
Abstract:Theanvgeationerisaniterlocigaquaticadteestralosym,ichplysanimpantoleinsolabons questration.SoilsamplesrecolctedfrofiveplantcommunitissuchasImperatacylidca,Artemisiaargiamarixcisis,C odondactylonandAlopecurusaequalisintheriparianzoneofthelowerYelowRiver.Thesoilorganiccarbon(SOC)ofthesampleswere measuredadalelaoalisipalmpotalis,aregssndlresioalyssd analyzethecoelationtweensoilSOcontentisoilysicomicalpropertis,ndthimporantfactosfetigslanicrbo contentwereexplorediniparanzones.TeresultssowthattesoilSOCcontentwasdiferentinvegetationtypes,ndtherangeofvariation is ,the mean value is 1.91 g/kg . The soil SOC content of Cynodon dactylon and Alopecurus aequalis at 0-30 cm each soilayerissigicantlygerthanatofIpeatacldricaAemisiariandTamariinensiseslOcotentiniarn zonispositielyelatedithetoflwateotet,lavbles,lblespusvlableo clayandsilt,issignificantlyegativelyoelatedwithsoilsadcontetItcanbeseenthatsilbuldensity,soiloistureontet,oil available potassium and available nitrogen contribute 92.3% to the variation of 0-30 cm soil organic carbon content.
Key Words:riparian zone;plant community;soil organic carbon;lower Yellow River
王壤有机碳(SOC)是土壤有机质的重要组成部分,具有改善土壤物理性质和土壤质量,减少土壤养分流失,增加土壤有效养分含量,维持湿地生态系统功能等重要作用[1-2]。(剩余9604字)