红柳林煤矿区不同植被类型下土壤养分和有机碳的变化及其相互关系研究

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关键词植被类型；土壤有机碳含量；土壤有机碳密度；生物量；煤矿区；黄绵土

中图分类号S154.1文献标识码A

文章编号 0517-6611（2025）17-0062-05

doi：10.3969/j.issn. 0517-6611. 2025. 17. 016

开放科学（资源服务）标识码（OSID）：

Changes of Soil NutrientsandOrganicCarbonand Their Interrelationships UnderDiferentVegetation Types in HongliulinCoal Mining Area

LIUChang-yue1，KOUWei，XUShi-qietal（1.ShenmuHongliulin MiningCo.，Ld.，Shenu，Shaaxi71930;2.Coegeof Resource and Environment，Northwest A&F University，Yangling，Shaanxi 712100）

AbstractObjective]Clarifyterelationshipetweeorganicarbonandvegetationiomassandsoilphysicalandchemicalfactorsndto sientficallygulatethlbonol.Metd]Taingdievegeationts（rbub，rbhub）intogllialin ingareafYunCityaaniProvinceasteect，thstribtiofgancarbonabonesityndsolutrientfeite 0-<200 cmloessoillayer wasstudied，andtherelationshipamongorganiccarbon，vegetationbiomass，andsoil physicochemicalfctors was explored.[Result] The results showed that the soil organic carbon content and carbon density in the 0-<200 cm soil layer were highest in herb-shrubvegetation，folowedbyshubvegetationandlowestinrbvegetation.Theorganiccarboncontentinesoilsigifcantlyde creased with the deepening of the soil layer. The decrease in the 100--200 cm soil layer compared to the 0-<100 cm soil layer was as follows：shrub （35.68%）>herb（25.06%）> herb-shrub （ 19.83% ）.The soil organic carbon content was closely related to the biomass of each vegetatiosallaotfieleleiloal trogen，total phosphorus，available phosphorus，ammonium nitrogen，and calcium carbonate （ P<0.05 ！ P<0.01 ），and significantly correlated with soil pH negatively[Conclusion]Overall，itseemsthatthereisastronglinkbetweensoilutrientsandorganiccarboncontent，andthe twointeracteeciieatieoueeflcbabi ity than other vegetation types.

Key wordsVegetation type;Soil organiccarboncontent;Soil organiccarbon density;Biomass;Coal miningarea;Loess soil

不同植被类型的土壤影响着土壤有机碳的形成和周转，也影响土壤养分的转化和迁移。（剩余9088字）