陕西南宫山不同植被类型土壤水文功能及影响因素研究

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文章编号：1674-6139（2025）06-0161-06

中图分类号：X53文献标志码：B

Soil Hydrology Function and Influencing Factors of Different Vegetation Types in Nangong Mountain of Shaanxi Province

Zhang Shulan 1，2 ，Zhang Haijun³，，Zhang Yihao’，Han Bingfeng’，Wang Yaping 1，2 （1.School of Chemistry and Environment，Ankang University，Ankang 7250oo，China； 2.AcademicianExpertWorkstationofSaaniAsoiationforSiencendTchologyAnkangUnversity，AnkangOCina； 3.Collge of Modern Technology of Agricultureand Biology，Ankang University，Ankang725Ooo，China）

Abstract：Theysicalandchemicalpropertis，fieldwatercapacityndaturatedwaterconductivityofilwithdirentetation typesinNangongMountainweremeasured.TheresultsshowedthatthesaturatedwaterconductivityofdiferentvegetationwasO.5～ 2.55mm/min ，with grassland > deciduousbroad-leaved forest > coniferous mixed forest > evergreen coniferous forest.The soil field water capacity ranged from 31.95% to 65.05% ，with deciduous broad-leaved forest > mixed forest > grassland > evergreen coniferous forest.Theontentoforganicmaterndnoncapillryporosityarethedirectdminantfctorsfectingtesaturatdwaterconductivityf soilinthisegioulksityisttomantctortingsoleldateapacityndeidittfapilosiy onsoil field water capacity through bulk density is obviously greater than its direct effect.

Keywords：Nangong Mountain;physicalandchemical propertiesofsoil；saturated waterconductivity;field watercapacity

前言

土壤饱和导水率和田间持水量是土壤水文功能的两个重要指标，反映了土壤的导水和持水能力；同时，对相关的影响因素研究一直是学者门研究的热点，并且从不同植被以及坡位、坡向、海拔等地形因子开展了相关研究[1-5]，分析了土壤理化性质、石砾、根系、枯落物等因素对土壤饱和导水率和田间持水量的影响。（剩余6081字）